====== Bash Programmierung ======

<code bash>
#!/bin/bash
</code>

===== tar - Ordner ausschliessen =====

  * https://stackoverflow.com/questions/984204/shell-command-to-tar-directory-excluding-certain-files-folders#984259

<code bash>
$ tar --exclude='./folder' --exclude='./upload/folder2' -zcvf /backup/filename.tgz .
</code>


===== ENV Pfad einlesen =====

<code bash>
# Als Paremeter übergeben oder im aktuellen Aufrufpfad
ENV_PATH=$1
echo "ENV Path =${ENV_PATH}"
#
# Read env for access
#
set -a #set -o allexport
[ -f ${ENV_PATH}.env ] && . ${ENV_PATH}.env
[ -f ${ENV_PATH}.env.local ] && . ${ENV_PATH}.env.local
set +a #set +o allexport
</code>

===== Explode - einen String teilen in ein Array =====

<code bash>
#!/usr/bin/env bash
in="bla@some.com;john"

mails=$(echo $IN | tr ";" "\n")

for addr in $mails
do
    echo "> [$addr]"
done
</code>