[ILUG] Bash

[John Tobin]

On Mon, Jan 21, 2002 at 05:43:34PM +0000, Brendan Halpin wrote:
? Simple scripting question:
? 
? With a bash script that runs a simple series of commands, how do I
? make it crash out if any one command fails, without filling it with
? conditionals?
? 
? Pardon the ignorance, but I shell script too infrequently to
? accumulate knowledge.

set -e
 From the bash manpage:

Exit immediately if a simple command (see SHELL GRAMMAR above) exits
with a non-zero status. The shell does not exit if the command that
fails is part of an until or while loop, part of an if statement, part
of a && or || list, or if the command's return value is being inverted
via !.

? 
? Brendan
? 

-- 
John
"That would preempt a bunch of problems involved in trying to reconstruct
exactly how the Perl 5 parser thinks, which nobody entirely understands."
			Larry Wall, 2001/04/20, perl6-language at perl.org
"Finger to spiritual emptiness underlying everything." -- How a Japanese C
manual referred to a "pointer to void".