Configuration Information [Automatically generated, do not change]: Machine: i686 OS: linux-gnu Compiler: i686-pc-linux-gnu-gcc Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='i686' -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i686-pc-linux-gnu' -DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H -I. -I. -I./include -I./lib -DDEFAULT_PATH_VALUE='/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin' -DSTANDARD_UTILS_PATH='/bin:/usr/bin:/sbin:/usr/sbin' -DSYS_BASHRC='/etc/bash/bashrc' -DSYS_BASH_LOGOUT='/etc/bash/bash_logout' -DNON_INTERACTIVE_LOGIN_SHELLS -DSSH_SOURCE_BASHRC -O2 -march=pentium4 -pipe uname output: Linux woodpecker 2.6.22-hardened-r8 #1 SMP Fri Oct 26 17:51:28 UTC 2007 i686 Intel(R) Xeon(TM) CPU 3.00GHz GenuineIntel GNU/Linux Machine Type: i686-pc-linux-gnu
Bash Version: 4.1 Patch Level: 7 Release Status: release Description: $ [[ xx$(echo -e $'\E')xx == xx$(echo -e '\e')xx ]] && echo "true" $ true Fix: Mention it in bash manual.