On Fri, Oct 24, 2003 at 10:47:22PM +0200, Oleg Goldshmidt wrote: > Shlomi Fish <[EMAIL PROTECTED]> writes: > > > On Fri, 24 Oct 2003, Beni Cherniavsky wrote: > > > > > Shlomi Fish wrote on 2003-10-12: > > > > > > > I want that if one of the (first) components of the pipeline exits with an > > > > error code, I'll know about it somehow. How? > > > > > > > info bash --index PIPESTATUS > > > > > > > Cool thanks. > > Depending on your needs you may also use the -e option to the shell > (should work for most Bourne shell and csh descendants), the option > will make the shell exit if any of the commands in the pipeline fails. > > $ true | false | true > $ echo $? > 0 > $ bash -e "true | false | true" > true | false | true: true | false | true: No such file or directory > $ echo $? > 1
This is because you tried running a script from a file called "true | false | true" However: $ set -e $ true | false | true $ echo $? 0 So setting that doesn't make an error from the middle of a pipe show. -- Tzafrir Cohen +---------------------------+ http://www.technion.ac.il/~tzafrir/ |vim is a mutt's best friend| mailto:[EMAIL PROTECTED] +---------------------------+ ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]
