On Wed, Apr 25, 2012 at 07:21, Ted Okuzumi <tedokuz...@gmail.com> wrote:
> I am writing this e-mai to report to report a bug in bash. > > 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='/usr/local/share/locale' > -DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H -I. -I. -I./include -I./lib > -g \ > -O2 > uname output: Linux concour5 2.6.18-274.3.1.el5xen #1 SMP Tue Sep 6 > 20:57:11 EDT 2011 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: > Cannot redirect into an array from multiline variable > > Does not work: > echo "$mydata" | while read line; do myarray+=( "$line" ); done > Here the whole *while* statement runs in a subshell. See http://mywiki.wooledge.org/BashPitfalls#grep_foo_bar_.7C_while_read_-r.3B_do_.28.28count.2B-.2B-.29.29.3B_done. > > > Works: > while read -r line; do myarray+=( "$line" ); done < <(echo "$mydata") > >
