On Wed, Jun 24, 2009 at 5:18 PM, Martin Gregorie<martin@xxxxxxxxxxxx> wrote: > On Wed, 2009-06-24 at 16:38 -0500, Austin English wrote: > >> uname is portable, and should work everywhere. What's *not* portable, >> is, e.g., grepping uname for answers, e.g.,: >> `uname -a` | grep Linux >> Yes, I've seen this done. But what happens if you're on a *BSD box >> with the hostname 'Linux_sucks'. >> > I think this is portable: > > uname -a |grep -i "^linux" Will break like I said above...just use: if [ "`uname -s`" = Linux ] then .... fi > Minor point: I think all unices have the Bourn Shell but not all have > ksh, csh or bash, so the #!/bin/sh line is probably a good idea. Right. -- -Austin
