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Re: how do I split variables?


From: Chet Ramey
Subject: Re: how do I split variables?
Date: Fri, 22 Sep 2000 10:51:59 -0400

> this is actually more a question, less a bug. But help would be
> appreciated...
> 
> I'm having some trouble with a script:
> 
> $FILE (contains recvq/fax00044.tif, for example. the number rises by 1,
> everytime a fax is             recieved)
> I want to change the value of $FILE(recvq/fax00044.tif) to
> recvq/someuser/fax00044.tif.....
> Since there is no way to change $FILE's value, there must be some special
> wordsplit function or so........

If you can guarantee that there will be only a single slash, you can use

FILE1=${FILE%%/*}/someuser/${FILE##*/}

If not, you can set IFS=/, split $FILE, and pick out the parts you need.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet)

Chet Ramey, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/


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