I didn't see any acknowledgement of this bug report, did I fill in enough info?
Thanks & regards, Martin Jackson On Tue, Mar 5, 2013 at 1:52 PM, Martin Jackson <mjackson220.l...@gmail.com>wrote: > Configuration Information [Automatically generated, do not change]: > Machine: x86_64 > OS: linux-gnu > Compiler: gcc > Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64' > -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='x86_64-unknown-linux-gnu' > -DCONF_VENDOR='unknown' > -DLOCALEDIR='/home/mjackson/src/bash-4.2/_install/share/locale' > -DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H -I. -I. -I./include -I./lib > -g -O2 > uname output: Linux stagecoach 3.5.0-25-generic #39-Ubuntu SMP Mon Feb 25 > 18:26:58 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux > Machine Type: x86_64-unknown-linux-gnu > > Bash Version: 4.2 > Patch Level: 0 > Release Status: release > > Description: > When executing a here document in bash, with the here document piped to > another instance of bash, where the here document contains "echo <&- &; > wait", the here document gets executed twice. I have seen this on Ubuntu > both with the current 4.2.37 from ubuntu and the latest bash tarball > (details above) > > Repeat-By: > #!/home/mjackson/src/bash-4.2/_install/bin/bash > > /home/mjackson/src/bash-4.2/_install/bin/bash <<EOF > declare -i a=0 > echo BASHPID is \$BASHPID > true </dev/null & wait # NOP > let a++ > echo a is \$a, BASHPID is \$BASHPID > EOF > > Prints: > BASHPID is 30866 > a is 1, BASHPID is 30866 > a is 2, BASHPID is 30866 > > Fix: > Adding a manual 'exit' statement at the end of the here document seems > to be a workaround: > > #!/home/mjackson/src/bash-4.2/_install/bin/bash > > /home/mjackson/src/bash-4.2/_install/bin/bash <<EOF > declare -i a=0 > echo BASHPID is \$BASHPID > true </dev/null & wait # NOP > let a++ > echo a is \$a, BASHPID is \$BASHPID > exit > EOF > > Prints: > BASHPID is 30895 > a is 1, BASHPID is 30895 > >
