Bash: Difference between revisions
From DWIKI
| Line 12: | Line 12: | ||
FIRST=${STRING:0:1} | FIRST=${STRING:0:1} | ||
==check if var contains substring | ==check if var contains substring== | ||
test "${s#*foo}" != "${s}" | test "${s#*foo}" != "${s}" | ||
Revision as of 10:43, 7 April 2017
- Homepage
- http://www.linuxdoc.org/HOWTO/Bash-Prog-Intro-HOWTO.html
- Bash Guide for Beginners
- http://www.ling.helsinki.fi/users/reriksso/unix/shell.html
- Advanced Bash Scripting Guide
- Linux Shell Scripting Tutorial
- Aliens Bash Tutorial
- http://www.skorks.com/2009/09/bash-shortcuts-for-maximum-productivity/
Tips and tricks
get first character of a string
FIRST=${STRING:0:1}
check if var contains substring
test "${s#*foo}" != "${s}"
move cursor
^b move back 1 char ^f move forward 1 char alt-b move back 1 word alf-f move forward 1 word
