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Re: `if $(cmd);' is a positive when there's no output from cmd
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From: |
Mike Frysinger |
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Subject: |
Re: `if $(cmd);' is a positive when there's no output from cmd |
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Date: |
Sat, 15 Apr 2006 21:43:32 -0400 |
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User-agent: |
KMail/1.9.1 |
On Saturday 15 April 2006 19:55, Herculano Einloft wrote:
> $ if $(echo string >/dev/null); then echo true; fi
> true
>
> This should be a syntax error, since
>
> $ if; then echo true; fi
> bash: syntax error near unexpected token `;'
the first command statement is more like:
if :; then echo true; fi
-mike