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Re: bash: while: command not found? ??
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From: |
Chet Ramey |
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Subject: |
Re: bash: while: command not found? ?? |
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Date: |
Mon, 07 Nov 2011 15:51:48 -0500 |
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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 chet@case.edu http://cnswww.cns.cwru.edu/~chet/