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test if a parameter is numeric

X-seq: zsh-users 11182
From: zzapper <david@xxxxxxxxxx>
To: zsh-users@xxxxxxxxxx
Subject: test if a parameter is numeric
Date: Fri, 9 Feb 2007 17:05:15 +0000 (UTC)
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Organization: SuccessTheory
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Hi embarassingly elementary but its Friday

I just want to test if a parameter is numeric

if [ "$1" -gt '0' ] && [ "$1" -lt '9' ]
then

this works but barfs (but does not exit) if $1 is non-numeric

So what's the proper way to do this pls!

hey just solved it

if [[ "$1" == [0-9] ]]

I'll post anyway just in case some poor chump googles for this one day

-- 
zzapper
http://successtheory.com/tips/ Vim, Zsh, MySQL Tips

Follow-Ups:
- Re: test if a parameter is numeric
  - From: Bart Schaefer

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