f5ace0b0a9
I'm unsure if this is idiomatic POSIX shell scripting or not, but I generally prefer function calls to variables. Thankfully things like Haskell don't differentiate between the two. In other cold and hostile environments like shell scripting, us programmers must take care to prefer functions to variables where it makes sense.
587 lines
17 KiB
Bash
587 lines
17 KiB
Bash
fv() {
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# Usage: fv file pattern
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# This is useful when you know the fuzzy name of the file you want to edit
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local file
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file="$(fzf --exact --height 40% --reverse --query="$1" --select-1 --exit-0)"
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[[ -n "$file" ]] && vim "$file"
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}
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tbz() {
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# Toggle between blaze-bin and your source.
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# Useful if you like to cd into the dir where your source lives.
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if [[ "$(pwd)" =~ '(.*)/blaze-bin(.*)' ]]; then
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cd "${match[1]}${match[2]}"
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else
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cd "${PWD/\/google3//google3/blaze-bin}"
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fi
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}
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tj() {
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# Toggle between the source dir and test dir in a Java project.
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if [[ $PWD =~ '(.*)/javatests(.*)' ]]; then
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cd "${match[1]}/java${match[2]}"
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else
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cd "${PWD/\/google3\/java//google3/javatests}"
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fi
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}
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snipit() {
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# Take a screenshot and host it at https://screenshot.googleplex.com
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# Adapted from SnipIt to fit my workflow.
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server="https://screenshot.googleplex.com/upload"
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file="${TEMP:-/tmp}/snipit_temp_$$.png"
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# Capture
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echo "SnipIt - Click a window, or drag to snip a region (Ctrl+C to cancel):" && \
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import "$file" && \
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echo "Sending image to server..." && \
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uri=$(curl -sF "imagedata=@$file" $server) && \
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c <<<"$uri" && \
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echo "Copied \"$uri\" to your clipboard."
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}
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# Aptitude
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apts() {
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# Searches aptitude package repository for $1, surrounding it in ^$ to ensure
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# fewer results.
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apt search "^$1$"
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}
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# Docker
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dsh() {
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# Drop into a Docker shell. Shell defaults to /bin/bash.
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container=$1
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cmd=${2-/bin/bash}
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docker exec -it "${container}" "${cmd}"
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}
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# Emacs
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dired() {
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# Opens either the `$(pwd)` or `$1` in Emacs's `dired`.
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# Uses i3 to focus Emacs.
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directory=${1:-$(pwd)}
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echo $directory
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emacsclient --eval "(dired \"$directory\")" && focus Emacs
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}
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org_capture() {
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# Spawns an Emacs frame running org-capture.
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echo called
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emacsclient --create-frame \
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--frame-parameters '(quote (name . "org-protocol-capture"))' \
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--eval '(org-capture)'
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}
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# Git
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conflicts() {
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# Edit git conflicts one-by-one in your favorite editor.
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${EDITOR} "$(git status --porcelain | awk '/^UU/ { print $2 }')"
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}
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# GPG
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gpg_encrypt() {
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# Convenience function around encryping files and directories.
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# Appends a .gpg extension and deletes the unencrypted source.
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local file=${1}
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echo "Encrypting..."
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if [ -f "${file}" ]; then
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gpg --symmetric "${file}" && \
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rm "${file}"
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elif [ -d "${file}" ]; then
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tar -cz "${file}" | gpg --symmetric --output "${file}.tar.gz.gpg"
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fi
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echo "Done."
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}
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gpg_decrypt() {
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# Convenience function around decrypting .gpg files and directories.
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# Deletes the original encrypted file with the .gpg extension.
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local file=$1
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echo "Decrypting..."
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if [ -f "${file}" ]; then
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gpg --decrypt "${file}" >"${file%.gpg}" && \
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rm "${file}"
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elif [ -d "${file}" ]; then
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local outdir="${dirname%.tar.gz.gpg}"
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if [ -d "${outdir}" ]; then
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echo "Output directory, ${outdir}, already exists and will be overwritten by this command. Aborting..."
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return 1
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else
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gpg --decrypt "${dirname}" | tar -xv
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fi
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fi
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echo "Done."
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}
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# Python
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python_sandbox() {
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# Creates a nix-shell with the specified arguments as Python packages
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nix-shell -p "python36.withPackages(p: with p; [$@])"
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}
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# Haskell
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cabal_unhell() {
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# Run this function to save yourself from Cabal hell.
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# Note: this will require that you reinstall packages for your projects again.
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find ~/.ghc -maxdepth 1 -type d -exec rm -rf {} \;
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rm -rf ~/.cabal/{lib,packages,share}
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}
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haskell_sandbox() {
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# Creates a nix-shell with the specified arguments as Haskell packages
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nix-shell -p "haskellPackages.ghcWithPackages (p: with p; [$@])"
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}
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_haskell_test_watch_path() {
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# Runs and watches the tests for a provided file path.
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ghcid -c "stack ghci grid:lib grid:grid-test --ghci-options=-fobject-code" \
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--height="$(tput lines)" --width="$(tput cols)" --warnings --test "$1"
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}
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_haskell_test_watch_pattern() {
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# Runs and watches the tests that match a provided pattern.
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stack test --file-watch grid:grid-test --ta "-p \"${1}\""
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}
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haskell_test_watch() {
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# Accepts either a filepath or a pattern and runs a test-watcher for either.
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if [ -f "$1" ]; then
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_haskell_test_watch_path "$1"
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else
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_haskell_test_watch_pattern "$1"
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fi
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}
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# Kubernetes
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kush() {
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# Drop into a shell via Kubernetes. Shell defaults to /bin/bash.
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local name=$1
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local cmd=${2-/bin/bash}
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kubectl exec -it "${name}" -- "${cmd}"
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}
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# Misc
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monzo_balance() {
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# Return the balance of my Monzo bank account. Intended to be used in my i3
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# status bar.
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# Usage: monzo_balance
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# Depends:
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# - ~/Dropbox/monzo_creds.json.gpg (encrypted asymmetrically for yourself)
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# - httpie
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# - jq
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# - gpg
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local creds=$(gpg --decrypt ~/Dropbox/monzo_creds.json.gpg 2>/dev/null)
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local access_token=$(echo $creds | jq --raw-output .access_token)
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local account_id=$(echo $creds | jq --raw-output .account_id)
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local balance=$(http --body https://api.monzo.com/balance \
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"Authorization: Bearer ${access_token}" \
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"account_id==${account_id}" | \
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jq .balance)
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echo "£$balance"
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}
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tldr_docs() {
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# Helper function for submitting a new page to `tldr`.
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# Usage: tldr_docs <cmd-name>
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pushd ~/programming/tldr && \
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gcb "$1" && \
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"$EDITOR" . && \
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echo "Next steps:" && \
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echo "- commit changes" && \
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echo "- push changes" && \
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echo "- submit a pull-request to tldr" && \
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popd # return to the original directory
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}
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ord_to_char() {
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# Converts the ordinal, ASCII value of a character into its encoded
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# representation.
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#
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# Usage:
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# $ ord_to_char 65
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# A
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[ "$1" -lt 256 ] || return 1
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printf "\\$(printf '%03o' "$1")\n"
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}
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char_to_ord() {
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# Converts the ASCII representation of a character to its ordinal value.
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#
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# Usage:
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# $ char_to_ord A
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# 65
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LC_CTYPE=C printf '%d\n' "'$1"
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}
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all_users() {
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# Lists all of the known users in the Linux system
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# Useful because when you type `~art` in a prompt and tab-complete, ZSH looks
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# up all users whose names start with "art". It's also just interesting to
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# have access to this information.
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#
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# NOTE: this is not as simple as `cat /etc/passwd` for reasons of which I'm
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# not entirely sure.
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getent passwd
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}
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escape_sequences() {
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# Outputs a table of terminal escape sequences and their meaning.
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echo -E '\a Bell (alert)'
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echo -E '\b Backspace'
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echo -E '\f Formfeed'
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echo -E '\n New line'
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echo -E '\r Carriage return'
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echo -E '\t Horizontal tab'
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echo -E '\v Vertical tab'
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echo -E "\' Single quotation mark"
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echo -E '\" Double quotation mark'
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echo -E '\\ Backslash'
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echo -E '\? Literal question mark'
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echo -E '\uhhhh Unicode character'
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echo -E '\Uhhhhhhhh Unicode character'
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echo -E '\xhh ASCII character in hexadecimal notation'
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echo -E '\xhhhh Unicode character in hexadecimal notation if this escape sequence is used in a wide-character constant or a Unicode string literal.'
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}
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test_true_color() {
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# Run this to test if your terminal emulator supports True Color
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curl --silent https://raw.githubusercontent.com/JohnMorales/dotfiles/master/colors/24-bit-color.sh | bash
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}
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test_16_colors() {
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# Useful for testing your terminal's theme.
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echo -e "Normal: ${black}black${red}red${green}green${yellow}yellow${blue}blue${magenta}magenta${cyan}cyan${white}white"
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echo -e "Bright: ${bright_black}black${bright_red}red${bright_green}green${bright_yellow}yellow${bright_blue}blue${bright_magenta}magenta${bright_cyan}cyan${bright_white}white"
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}
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test_text_formatting() {
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# Useful when appraising a Tmux. Things can get strange with true colors and
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# font rendering.
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echo -e "\e[1mbold\e[0m"
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echo -e "\e[3mitalic\e[0m"
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echo -e "\e[4munderline\e[0m"
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echo -e "\e[9mstrikethrough\e[0m"
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}
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test_unicode() {
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# Run this to test if your terminal supports unicode character rendering.
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echo -e '\u2600 \u2601 \u2602 \u2603 \u2604 \u2605 \u2606 \u2607 \u2608 \u2609 \u260A'
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echo -e '\u260B \u260C \u260D \u260E \u260F \u2610 \u2611 \u2612 \u2613 \u2614 \u2615'
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echo -e '\u2616 \u2617 \u2618 \u2619 \u261A \u261B \u261C \u261D \u261E \u261F \u2620'
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echo -e '\u2621 \u2622 \u2623 \u2624 \u2625 \u2626 \u2627 \u2628 \u2629 \u262A \u262B'
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echo -e '\u262C \u262D \u262E \u262F \u2630 \u2631 \u2632 \u2633 \u2634 \u2635 \u2636'
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echo -e '\u2637 \u2638 \u2639 \u263A \u263B \u263C \u263D \u263E \u263F \u2640 \u2641'
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echo -e '\u2642 \u2643 \u2644 \u2645 \u2646 \u2647 \u2648 \u2649 \u264A \u264B \u264C'
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echo -e '\u264D \u264E \u264F \u2650 \u2651 \u2652 \u2653 \u2654 \u2655 \u2656 \u2657'
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echo -e '\u2658 \u2659 \u265A \u265B \u265C \u265D \u265E \u265F \u2660 \u2661 \u2662'
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echo -e '\u2663 \u2664 \u2665 \u2666 \u2667 \u2668 \u2669 \u266A \u266B \u266C \u266D'
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echo -e '\u266E \u266F \u2670 \u2671 \u2672 \u2673 \u2674 \u2675 \u2676 \u2677 \u2678'
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echo -e '\u2679 \u267A \u267B \u267C \u267D \u267E \u267F \u2680 \u2681 \u2682 \u2683'
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echo -e '\u2684 \u2685 \u2686 \u2687 \u2688 \u2689 \u268A \u268B \u268C \u268D \u268E'
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echo -e '\u268F \u2690 \u2691 \u2692 \u2693 \u2694 \u2695 \u2696 \u2697 \u2698 \u2699'
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echo -e '\u269A \u269B \u269C \u269D \u269E \u269F \u26A0 \u26A1 \u26A2 \u26A3 \u26A4'
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echo -e '\u26A5 \u26A6 \u26A7 \u26A8 \u26A9 \u26AA \u26AB \u26AC \u26AD \u26AE \u26AF'
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echo -e '\u26B0 \u26B1 \u26B2 \u26B3 \u26B4 \u26B5 \u26B6 \u26B7 \u26B8 \u26B9 \u26BA'
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echo -e '\u26BB \u26BC \u26BD \u26BE \u26BF \u26C0 \u26C1 \u26C2 \u26C3 \u26C4 \u26C5'
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echo -e '\u26C6 \u26C7 \u26C8 \u26C9 \u26CA \u26CB \u26CC \u26CD \u26CE \u26CF \u26D0'
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echo -e '\u26D1 \u26D2 \u26D3 \u26D4 \u26D5 \u26D6 \u26D7 \u26D8 \u26D9 \u26DA \u26DB'
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echo -e '\u26DC \u26DD \u26DE \u26DF \u26E0 \u26E1 \u26E2 \u26E3 \u26E4 \u26E5 \u26E6'
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echo -e '\u26E7 \u26E8 \u26E9 \u26EA \u26EB \u26EC \u26ED \u26EE \u26EF \u26F0 \u26F1'
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echo -e '\u26F2 \u26F3 \u26F4 \u26F5 \u26F6 \u26F7 \u26F8 \u26F9 \u26FA \u26FB \u26FC'
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echo -e '\u26FD \u26FE \u26FF'
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}
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path() {
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# Pretty-print the $PATH variable
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echo "$PATH" | tr : '\n'
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}
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nix_installed() {
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# Lists the packages installed with `nix-env`
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nix-env -q
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}
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nix_store() {
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# Print the packages in /nix/store without the preceding hash
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ls /nix/store | sed 's/[a-z0-9]*-//'
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}
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browse() {
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# Open a URL in $BROWSER. Friendly for terminal input and output.
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nohup "$BROWSER" $@ &
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}
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lh() {
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# Opens http://localhost:<port> in your $BROWSER.
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# Usage: `lh 8080`
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# Here, in case it wasn't obvious, `lh` stands for "localhost".
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browse "http://localhost:$1"
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}
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essids() {
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# Returns a list of all ESSIDs the network card detects
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local interface=${1-wlp4s0}
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sudo iwlist "${interface}" scan | awk -F \" '{print $2}' | sed '/^\s*$/d'
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}
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mkdir_cd() {
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# Make and cd into a directory or path
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mkdir -p "$1" && cd "$1"
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}
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swap() {
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# Swaps the names of files and directories.
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local file_a="${1}"
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local file_b="${2}"
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if [ -d "${file_a}" ] && [ -d "${file_b}" ]; then
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local backup=$(mktemp -d backup.XXX)
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mv "${file_a}" "${backup}"
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mv "${file_b}" "${file_a}"
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mv "${backup}/${file_a}" "${file_b}"
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rm -rf "${backup}"
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elif [ -f "${file_a}" ] && [ -f "${file_b}" ]; then
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local backup=$(mktemp backup.XXX)
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mv "${file_a}" "${backup}"
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mv "${file_b}" "${file_a}"
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mv "${backup}" "${file_b}"
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rm "${backup}"
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fi
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echo "Swapped: ${file_a} <-> ${file_b}"
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}
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bak() {
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# Backup a file or a directory by appending a .bak extension to it.
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mv "$1" "$1.bak"
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}
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unbak() {
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# Restore a file by removing the .bak extension from it.
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mv "$1.bak" "$1"
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}
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is_online() {
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# Pings google.com and echos "Online" or "Offline" and returns the appropriate
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# exit code. Could be useful in the ${PS1} variable.
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wget -q --spider "http://google.com"
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if [ $? -eq 0 ]; then
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echo "Online"
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return 0
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else
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echo "Offline"
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return 1
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fi
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}
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du_it_live() {
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# Outputs and refreshes the size of a directory's content.
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# Useful for watching a directory as large amounts of data are
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# downloaded into it.
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local directory="${1}"
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while true; do
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du -hc "${directory}" | tail -n 1 | tr -d '\n' && echo -n ' ' && sleep 0.5
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# elipsis
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echo -n '.' && sleep 0.5 &&
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echo -n '.' && sleep 0.5 &&
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echo -n '.' && sleep 0.5 &&
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# clear the three-dots
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echo -n '\b\b\b' && echo -n ' ' && echo -n '\r'
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done
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}
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router() {
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# Returns the IP address of the network's router.
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# Useful in a call like `ping $(router)` to diagnose an internet problem.
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netstat -nr | grep default | head -n 1 | awk '{ print $2 }'
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}
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monitor_dimensions() {
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# Outputs the dimensions of your computer monitor
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xdpyinfo | awk '/dimensions/{ print $2 }'
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}
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list_sinks() {
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# Lists the available output sources (speakers?)
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pacmd list-sinks | grep -e 'name:' -e 'index:'
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}
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list_sources() {
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# List available input sources (microphones?)
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pacmd list-sources | grep -e 'index:' -e device.string -e 'name:'
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}
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lt() {
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# Convenience wrapper around `exa --tree`.
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# Optionally accepts a number for the max-depth and a directory to list.
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# $ lt 2 ./scripts
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# lt
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if [ -z ${1} ]; then
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exa --tree --all
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# lt 2
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elif [[ "${1}" =~ '^[0-9]+$' ]] && [ -z ${2} ]; then
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local depth="${1}"
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exa --tree -all --level "${depth}"
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# lt ./scripts
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elif [ -z ${2} ]; then
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local directory="${1}"
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exa --tree --all "${directory}"
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# lt 2 ./scripts
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else
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local depth=${1}
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local directory="${2}"
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exa --tree --all --level ${depth} "${directory}"
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fi
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}
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gql() {
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# Convenience wrapper around `http POST` that allows you write GQL queries in
|
|
# Vim before posting them to the server.
|
|
local endpoint="${1}"
|
|
local query="/tmp/http-query.gql"
|
|
|
|
vim "${query}" && \
|
|
echo "{\"query\":\"$(cat ${query})\"}" | \
|
|
http --body POST "${endpoint}"
|
|
}
|
|
|
|
# Nix
|
|
nix_introspect() {
|
|
# Greps through my local nixpkgs repo for
|
|
rg --after-context 5 "\\b$1\\b\\s*=" "$(nix-instantiate --find-file nixpkgs)"
|
|
}
|
|
|
|
# Tmux
|
|
t() {
|
|
# Find or create a Tmux session. This should work both from within Tmux or
|
|
# outside of Tmux.
|
|
local session_name="${1}"
|
|
if ! tmux has-session -t "${session_name}" 2> /dev/null; then
|
|
local oldTMUX="${TMUX}"
|
|
unset TMUX
|
|
tmux new -d -s "${session_name}" -n "${session_name}"
|
|
export TMUX="${oldTMUX}"
|
|
unset oldTMUX
|
|
fi
|
|
if [[ -n "${TMUX}" ]]; then
|
|
tmux switch-client -t "${session_name}"
|
|
else
|
|
tmux attach -t "${session_name}"
|
|
fi
|
|
}
|
|
|
|
tk() {
|
|
# `tk`: "tmux kill". Kills a tmux session by name.
|
|
# If no arguments are provided, kills the current session after jumping to the previous session.
|
|
session_name="${1}"
|
|
if [ ! -z "${session_name}" ]; then
|
|
tmux kill-session -t "${session_name}"
|
|
else
|
|
session_name=tmux ls -f '#{?session_attached,#{session_name},}' | xargs
|
|
tmux switch-client -l
|
|
tmux kill-session -t "${session_name}"
|
|
fi
|
|
}
|
|
|
|
tmux_is_running() {
|
|
# Returns zero if tmux is running
|
|
# Although this is a simple function body, it's useful to encode esoteric
|
|
# knowledge that I will easily forget.
|
|
test -n "$TMUX"
|
|
}
|
|
|
|
tmux_focused_pane() {
|
|
# Returns the ID of the focused tmux pane.
|
|
# WIP
|
|
# tmux list-panes -F '#{pane_active} #{pane_tty}' | awk /1/{ print $1 }
|
|
echo 'Not implemented'
|
|
}
|
|
|
|
# Google3
|
|
g3_root() {
|
|
# Outputs the root of the CitC client in g3
|
|
# NOTE: there is probably a function already supported by g4 to cd to the
|
|
# root, so support for this function may be dropped shortly.
|
|
echo "${PWD%%/google3/*}/google3"
|
|
}
|
|
|
|
p4_filelog() {
|
|
# Logs a file's Piper history. This is a convenience wrapper around
|
|
# `p4 filelog`.
|
|
# `filename` should be a relative path.
|
|
# Usage: p4_filelog <filename>
|
|
# Depends: p4
|
|
p4 filelog "//depot/$(pwd | grep -P -o 'google3\/.+$')/$1"
|
|
}
|
|
|
|
citc_workspace() {
|
|
# Returns the name of your current CitC workspace
|
|
pwd | grep -o -P "$(whoami)\/[^\/]+"
|
|
}
|
|
|
|
codesearch() {
|
|
# Attempts to open the current directory in Google's Code Search.
|
|
local slug="$(pwd | grep -P -o 'google3\/.+$')"
|
|
browse "https://cs.corp.google.com/piper///depot/$slug"
|
|
}
|
|
|
|
cider() {
|
|
# Opens the current workspace and current directory in Google's Cider
|
|
# Not very useful at the moment because it cannot jump to the current file or
|
|
# line number. Should also support an Emacs integration at some point.
|
|
browse "https://cider.corp.google.com/?ws=$(citc_workspace)"
|
|
}
|
|
|
|
# i3
|
|
focus() {
|
|
# Focuses an i3 window by application name.
|
|
i3-msg "[class=\"$1\"] focus" >/dev/null
|
|
}
|
|
|
|
# zsh
|
|
fns() {
|
|
# Outputs all available functions.
|
|
# `fns` was chosen instead of `functions`, since `functions` was already
|
|
# taken.
|
|
compgen -A function
|
|
}
|
|
|
|
aliases() {
|
|
# Outputs all available aliases.
|
|
compgen -a
|
|
}
|
|
|
|
keywords() {
|
|
# Outputs all of the shell's reserved keywords.
|
|
compgen -k
|
|
}
|
|
|
|
builtins() {
|
|
# Outputs all of the shell's builtin commands.
|
|
compgen -b
|
|
}
|