Ron Johnson <[EMAIL PROTECTED]>: > On 08/24/08 11:32, Rick Pasotto wrote: > > > > Why pipe it to bc? Keep it in the shell: > > > > $ echo $[$[$(date -d 20090824 +%s) - $(date -d 20080724 +%s)] / 86400] > > 396 > > [snip] > > One stylistic reason for piping to bc is that some people think that > bash's $[] syntax gets too hard to read if you nest it too much.
I've been running *nix on my home boxes since '93, and I've never even seen that syntax. That's a bashism, I hope? I do own, and have studied, O'Really's Learning the bash shell. -- Any technology distinguishable from magic is insufficiently advanced. (*) http://blinkynet.net/comp/uip5.html Linux Counter #80292 - - http://www.faqs.org/rfcs/rfc1855.html Please, don't Cc: me. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]