33 lines
454 B
Bash
33 lines
454 B
Bash
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# js function syntax for bash
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function trimend {
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LENGTH=${#1}
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AMT=$2
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TAKE=$((LENGTH-AMT))
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echo $1 | cut "-c-$TAKE"
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}
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function trimfront {
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TMP0=$(echo $1 | rev)
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TMP1=$(trimend $TMP0 $2 | rev)
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echo $TMP1
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}
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function length {
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echo ${#1}
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}
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function slice {
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STR=$3
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AMT0=$1
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AMT1=$2
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LEN=$(length $STR)
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BACK=$((LEN-AMT1))
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RES0=$(trimfront $STR $AMT0)
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RES1=$(trimend $RES0 $BACK)
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echo $RES1
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}
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