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1. Bash: Imploser une liste

   list_implode () {
       SEPARATOR="$1"; shift
       LIST=( "$@" )
       RESULT="$(printf "${SEPARATOR}%s" "${LIST[@]}")"
       RESULT="${RESULT:${#SEPARATOR}}"
       echo "$RESULT"
   }
   
   LIST=( "foo" "bar" "with space" "fiz" "buz" )
   
   echo "$(list_implode ", " "${LIST[@]}")"
   

   Sortie :

   foo, bar, foo bar, fiz, buz
   

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2. Bash: Trouver si un élément est dans une liste

   function in_list {
       SEARCH="$1"; shift
       LIST=( "$@" )
       if [ -z "${LIST}" ] || [ -z "${SEARCH}" ]; then
         return 1
       fi
       for ITEM in ${LIST[@]}; do
           if [[ "${ITEM}" == "${SEARCH}" ]]; then
               return 0
           fi
       done
       return 1
   }
   
   LIST=( "foo" "bar" "with space" "fiz" "buz" )
   
   if (in_list "bar" "${LIST[@]}"); then
       echo "bar is in MY_LIST"
   fi
   

   Sortie :

   bar ...

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