On Mon, 21 Feb 2011 10:13:54 +0100, Marcel de Reuver wrote: > In a bash script I use: $[`date --date='this week' +'%V'`%2] to see if > the week number is even. > Only in week 08 the error is: bash: 08: value too great for base (error > token is "08") the same in week 09, all others are Ok... > > GNU bash, version 3.2.39(1)-release (i486-pc-linux-gnu) Copyright (C) > 2007 Free Software Foundation, Inc. > > Running Ubutu 2.6.24-28 server
>From the bash manpage uhder ARITHMETIC EVALUATION "Constants with a leading 0 are interpreted as octal numbers." The digits 8 and 9 are invalid. Octal digits are 1,2,3,4,5,6,7,0 You can force base 10 by putting 10# before your numbers.
