On Sun, Jun 3, 2012 at 10:31 PM, Cedric Blancher <[email protected]> wrote: > On 3 June 2012 22:12, Cedric Blancher <[email protected]> wrote: >> The grep builtin in ast-open 20120531 quits when I put it temporarily >> into the background with ^Z and then use fg to put it into the >> foreground again. >> >> Example: >> >> grep -r foo /usr/share/doc >> ^Z[1] + Stopped grep -r foo /usr/share/doc/ >> fg >> <job quits with any output> >> >> bg does the same, grep just stops working > > If I put the grep command in a subshell and then use ^Z the job > disappears completely from output of jobs or jobs -l. It's just gone. > > The only thing which works (per Roland's suggestion) is to use this > command chain: > (ulimit -c 0 ; grep -r foo /usr/share/man ; true) > this can be stopped with ^Z and resumed properly, too.
Mhhh... can "pty" be used to test this in an automated way ? AFAIK we had similar issues (e.g. backgrounded "tail" or "tail -f" not working or not working properly... and wrapping them into a non-|fork()|ing subshell generated more issues while a |fork()|ing subshell worked properly) with "tail" in the past... ---- Bye, Roland -- __ . . __ (o.\ \/ /.o) [email protected] \__\/\/__/ MPEG specialist, C&&JAVA&&Sun&&Unix programmer /O /==\ O\ TEL +49 641 3992797 (;O/ \/ \O;) _______________________________________________ ast-developers mailing list [email protected] https://mailman.research.att.com/mailman/listinfo/ast-developers
