Re: $RANDOM never returns 0 in some conditions
Some additional info: These don't work (they should return the same value, right?): $ (RANDOM=1; echo $RANDOM) 21465 $ (RANDOM=1; echo $RANDOM) 22374 $ (RANDOM=1; echo $RANDOM) 6444 While all of these do: $ RANDOM=1; echo $RANDOM 16838 $ RANDOM=1; echo $RANDOM 16838 $ RANDOM=1; echo $RANDOM 16838 $ cat bla.sh #!/bin/bash RANDOM=1; echo $RANDOM $ ./bla.sh 16838 $ (./bla.sh) 16838 Ctrl+D (in another terminal) $ RANDOM=1; echo $RANDOM 16838 Is anyone looking into this? On Wed, 2 Mar 2005 14:15:41 +0200, zavandi <[EMAIL PROTECTED]> wrote: > Configuration Information [Automatically generated, do not change]: > Machine: i386 > OS: linux-gnu > Compiler: i386-redhat-linux-gcc > Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='i386' > -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i386-redhat-linux-gnu' > -DCONF_VENDOR='redhat' -DLOCALEDIR='/usr/share/locale' > -DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H -I. -I. -I./include -I./lib > -D_FILE_OFFSET_BITS=64 -O2 -g -pipe -m32 -march=i386 -mtune=pentium4 > uname output: Linux localhost.localdomain 2.6.10-1.766_FC3 #1 Wed Feb > 9 23:06:42 EST 2005 i686 athlon i386 GNU/Linux > Machine Type: i386-redhat-linux-gnu > > Bash Version: 3.0 > Patch Level: 14 > Release Status: release > > Description: > Seems like $RANDOM never returns 0 in some conditions. "some > conditions" seem to be related to $RANDOM being executed in a > subshell, but I could be wrong here. > > Repeat-By: > This command works correctly, printing (usually) a few OKs: > > for ((i=0; i< 10; i++)); do if [ $RANDOM -eq 0 ]; then > echo OK; fi; done > > But this other command _never_ prints anything: > > for ((i=0; i< 10; i++)); do if [ $RANDOM -eq 0 ]; then > echo OK; fi; done | cat > > Neither does this command: > > (for ((i=0; i< 10; i++)); do if [ $RANDOM -eq 0 ]; then > echo OK; fi; done) > ___ Bug-bash mailing list Bug-bash@gnu.org http://lists.gnu.org/mailman/listinfo/bug-bash
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process substitution data corruption on FreeBSD 5.3
Configuration Information [Automatically generated, do not change]: Machine: i386 OS: freebsd5.3 Compiler: cc Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='i386' -DCONF_OSTYPE='freebsd5.3' -DCONF_MACHTYPE='i386-portbld-freebsd5.3' -DCONF_VENDOR='portbld' -DLOCALEDIR='/usr/local/share/locale' -DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H -I. -I. -I./include -I./lib -I/usr/local/include -O -pipe uname output: FreeBSD home.ecn.ab.ca 5.3-RELEASE-p5 FreeBSD 5.3-RELEASE-p5 #0: Sat Feb 12 12:07:46 MST 2005 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/IMBEZOL i386 Machine Type: i386-portbld-freebsd5.3 Bash Version: 3.0 Patch Level: 16 Release Status: release Description: Process substitution doesn't work on FreeBSD 5.3 due to corruption of the data. I've tested on other versions of FreeBSD (4.x) and Linux and there are no problems. On all of the 5.3 boxes I have tried though with Bash 3.x and Bash 2.x it does not work properly. I don't know if this is a bash bug or a FreeBSD bug. I submitted a bug report to FreeBSD some time ago but haven't seen any activity on it. http://www.freebsd.org/cgi/query-pr.cgi?pr=77493 Hostname: home - OS: FreeBSD 5.3-RELEASE-p5/i386 - CPU: Intel(R) Pentium(R) 4 CPU 2.80GHz (2800.11-MHz 686-class CPU) - Processes: 424 - Uptime: 20d 19h - Users: 4 - Load Average: 8.94 - Memory Usage: 756.66MB/1531.22MB (49.42%) - Disk Usage: 3.77GB/142.85GB (2.64%) Repeat-By: while read line ; do echo $line ; done < <(cat /etc/passwd) ___ Bug-bash mailing list Bug-bash@gnu.org http://lists.gnu.org/mailman/listinfo/bug-bash