2013年2月19日 星期二
bash cheat sheet
Cheat Sheet
- ${var-if not set} ( :- do it also when null )
- ${var+if set}
- ${var#pattern} replace from head, shortest
- ${var##pattern} replace from head, longest
- ${var%pattern} reaplace from tail ..
- ${var/pattern/replace} replace 1st
- ${var//pattern/replace} replace global
Resource
訂閱：
意見 (Atom)