On Wed, Jul 20, 2011 at 1:35 PM, Cédric Martínez Campos <cedricmartinezcam...@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-pc-linux-gnu' > -DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' > -DSHELL -DHAVE_CONFIG_H -I. -I../bash -I../bash/include > -I../bash/lib -g -O2 -Wall > uname output: Linux Asus-M50Vc 2.6.35-28-generic #50-Ubuntu SMP Fri > Mar 18 18:42:20 UTC 2011 x86_64 GNU/Linux > Machine Type: x86_64-pc-linux-gnu > > Bash Version: 4.1 > Patch Level: 5 > Release Status: release > > Description: > The integer addition $(($x+$y)) crashes if $x==08 or $x==09 (with a > leading 0). > > Repeat-By: > $ echo $((8+1)) > 9 > $ echo $((9+1)) > 10 > $ echo $((08+1)) > bash: 08: too big element for the base (the error element is "08")
integer with a leading 0 are considered as octal by bash and 08 is not valid in base 8. you can force the base doing: echo $((10#08+1))
