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From: qpliu@phoenix.princeton.edu (q.p.liu)
Newsgroups: comp.unix.shell
Subject: Re: How to convert lower case variable into upper case?
Message-ID: <QPLIU.91Jan23230559@lyman.phoenix.princeton.edu>
Date: 24 Jan 91 04:05:59 GMT
References: <530@twg.bc.ca>
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In-reply-to: bill@twg.bc.ca's message of 23 Jan 91 22:00:59 GMT

In article <530@twg.bc.ca> bill@twg.bc.ca (bill) writes:
>My kludge at this stage is:

>case $Port in
>        i1o)    real_port=i1O;;
>        i1p)    real_port=i1P;;
>esac

>I would love to be able to do something as simple as:

>case $Port in
>        i1[a-z])        real_port=i1[A-Z];;
>esac

>but I doubt life would be that kind to me.  Any ideas?

If you don't mind lots of processes,

real_port=i1`echo $Port | cut -c3- | tr a-z A-Z`

or maybe,

real_port=`echo $Port | cut -c-2``echo $Port | cut -c3- | tr a-z A-Z`