Adds javascript functions for bash

.js_to_bash.sh

@@ -0,0 +1,32 @@
+# js function syntax for bash
+
+function trimend {
+    LENGTH=${#1}
+    AMT=$2
+    TAKE=$((LENGTH-AMT))
+    echo $1 | cut "-c-$TAKE"
+}
+
+function trimfront {
+    TMP0=$(echo $1 | rev)
+    TMP1=$(trimend $TMP0 $2 | rev)
+    echo $TMP1
+}
+
+function length {
+    echo ${#1}
+}
+
+function slice {
+    STR=$3
+    AMT0=$1
+    AMT1=$2
+
+    LEN=$(length $STR)
+    BACK=$((LEN-AMT1))
+
+    RES0=$(trimfront $STR $AMT0)
+    RES1=$(trimend $RES0 $BACK)
+
+    echo $RES1
+}