Bash

Here Bash specifics only, general shell scripting howto at ./shell-scripting.md

Safe/strict mode for scripts

http://redsymbol.net/articles/unofficial-bash-strict-mode/

set -euo pipefail

Check for bashism

• use checkbashism

String Manipulation

• http://tldp.org/LDP/abs/html/string-manipulation.html

Cut variable

var='abc1:fgh'

# cut from left
echo ${a%:*}
abc1

# cut from right
echo ${a#*:}
fgh