examples/functions/array-to-string

   1 #! /bin/bash
   2
   3 # Format: array_to_string vname_of_array vname_of_string separator
   4 array_to_string()
   5 {
   6         (( ($# < 2) || ($# > 3) )) && {
   7                  "$FUNCNAME: usage: $FUNCNAME arrayname stringname [separator]"
   8                 return 2
   9         }
  10
  11         local array=$1 string=$2
  12         ((3==$#)) && [[ $3 = ? ]] && local IFS="${3}${IFS}"
  13         eval $string="\"\${$array[*]}\""
  14         return 0
  15 }