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Re: bash: while: command not found? ??


From: Chet Ramey
Subject: Re: bash: while: command not found? ??
Date: Mon, 07 Nov 2011 15:51:48 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1

On 11/7/11 3:40 PM, Linda Walsh wrote:

> So I try putting do on a separate line:
> 
>    # <filename while read ln
>    bash: while: command not found.
> 
> hmm...I thought 'while was a builtin?  why can't bash find it?

Since redirections can't precede a compound command like while, the
`while' token isn't in a position where it can be recognized as a reserved
word.  `while' isn't a builtin.

Chet
-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/



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