From: Aaron Morris (aaronmorris@MINDSPRING.COM)
Date: Thu Nov 21 2002 - 15:27:42 EST
O'Reilly's "Learning the Korn Shell" is your friend. In fact, the
sample chapter provided on the O'Reilly site has the exact information
you were asking for.
http://www.oreilly.com/catalog/korn2/
-Aaron Morris
Clifton, Pablo wrote:
> Thanks to ALL for the help- I'd been stumped for about a week and
> I thought I was going to have to write a C program :)
>
> -pablo
>
> --
> Pablo Clifton
> UNIX Tech Services
>
> -----Original Message-----
> From: cbaker@GOODYEAR.COM [mailto:cbaker@GOODYEAR.COM]
> Sent: Thursday, November 21, 2002 1:53 PM
> To: aix-l@Princeton.EDU
> Subject: Re: how to check the length of a variable in ksh?
>
>
> Bill,
>
> Your answer is pretty good, and is the way I used, but:
>
> 1) You need to put double quotes about the $i
>
> if (( $(expr "$i" : ".*") > 5 ))
>
> because the variable could contain imbedded spaces, null, etc.
>
>
> 2)After seeing Craig's solution, (one that I never knew about)
>
> if (( ${#variable} > 5 ))
>
> I think I like that even better.
>
> Christopher M. Baker
> Senior Technical Support Analyst
> DSE/TCO
> Goodyear Tire and Rubber Company
>
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>
> Bill Thompson
> <bill.thompson@GOO To: aix-l@Princeton.EDU
> DYEAR.COM> cc:
> Sent by: IBM AIX Subject: Re: how to check
> the length of a variable in ksh?
> Discussion List
> <aix-l@Princeton.E
> DU>
>
>
> 11/21/2002 12:50
> PM
> Please respond to
> IBM AIX Discussion
> List
>
>
>
>
>
>
> if (( $(expr $i : ".*") > 5 ))
> then
> do something
> fi
>
> Bill Thompson
> Sr UNIX Systems Administrator
> The Goodyear Tire & Rubber Co.
>
> Contains Confidential and/or Proprietary Information
> May Not Be Copied or Disseminated Without Express Consent of The Goodyear
> Tire & Rubber Company.
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> AIX-L Archives: http://marc.theaimsgroup.com/?l=aix-l&r=1&w=2
>
>
> ----- Original Message -----
> From: "Clifton, Pablo" <Pablo.Clifton@BCBSFL.COM>
> Newsgroups: bit.listserv.aix-l
> To: <aix-l@Princeton.EDU>
> Sent: Thursday, November 21, 2002 12:01 PM
> Subject: how to check the length of a variable in ksh?
>
>
>>Hi-
>>
>>Anyone know how I can check in a korn shell script:
>>
>> if [[ length of variable $i is > 5 characters ]]
>> then
>> do something
>> fi
>>
>>thanks,
>>-pablo
>>
>>--
>>Pablo Clifton
>>UNIX Tech Services
>>
>>
>>
>>
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