Joe Lightning wrote: > Description: > Bash doesn't like leading zeros in arithmetic expansion. > > Repeat-By: > echo $(( 09 - 1 ))
This is bash FAQ E8. http://www.faqs.org/faqs/unix-faq/shell/bash/ Leading zeros denote octal. In octal the valid digits are 0-7 with 8 and 9 outside of the octal range. Bob
