Hi Ralf! Andreas Schwab wrote: > Ralf Wildenhues writes: > > I noticed the following bash bug when using gnulib-tool. The script > > below outputs > > > > foo: line 20: echo: write error: Broken pipe > > foo: line 21: echo: write error: Broken pipe > >... > > Please also note that the above errors occur also when > > trap '' PIPE > > is used instead of 'trap - PIPE'. > > You probably have SIGPIPE ignored when you start the script. From > POSIX: > Signals that were ignored on entry to a non-interactive shell cannot > be trapped or reset, although no error need be reported when > attempting to do so.
This sounds very familiar... Are you suffering from this bug? http://lists.gnu.org/archive/html/bug-coreutils/2007-11/msg00154.html There Jim Meyering wrote (abbreviated): > I've tracked it down. > mingetty exec's /bin/login, which calls pam stuff, which in turn uses > libdbus. And that is the culprit: > > ./dbus/dbus-sysdeps-unix.c-_dbus_disable_sigpipe (void) > ./dbus/dbus-sysdeps-unix.c-{ > ./dbus/dbus-sysdeps-unix.c: signal (SIGPIPE, SIG_IGN); > ./dbus/dbus-sysdeps-unix.c-} Bob
