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Re: select: want to let user leave with just a RET


From: Aharon Robbins
Subject: Re: select: want to let user leave with just a RET
Date: Wed, 26 Jun 2002 08:52:18 GMT

In article <address@hidden>,
Dan Jacobson <address@hidden> wrote:
>select: select NAME [in WORDS ... ;] do COMMANDS; done
>    ...to that word.  If the line is empty, WORDS and the prompt are
>    redisplayed.  If EOF is read, the command completes...
>
>The only thing bugging me about this is that I want to let the user go
>if he enters just a RET.  Apparently this is not possible.  Perhaps a
>"select -e" should be added so the user can get out with just a RET
>instead of fancy C-d, C-c.

Yet another amazing point from the "Unix Black Belt".

Ahem:

        select var in word1 word2 
        do
                if [ "$REPLY" = "" ]
                then
                        break
                fi
                ....
        done

'nuff said.
-- 
Aharon (Arnold) Robbins --- Pioneer Consulting Ltd.     address@hidden
P.O. Box 354            Home Phone: +972  8 979-0381    Fax: +1 928 569 9018
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