IF Help

[Chris Norman]

Cheers mate.

Chris Norman
<!-- chris.norman4 at ntlworld.com -->
----- Original Message ----- 
From: "Ralph W. Reid" <rreid at sunset.net>
To: "Speakup is a screen review system for Linux." <speakup at braille.uwo.ca>
Sent: Sunday, April 23, 2006 5:49 PM
Subject: Re: IF Help


> You were very close for not finding the info in a man page.  If I can
> assume you are using the bash shell, then the 'if' command is
> described somewhere in the midst of the bash man page (it's a _big_
> man page, but lots of good stuff is in there).
> 
> I suppose you want to use the output of a command in a comparison.
> This means that the command should be enclosed in accent marks.  Also,
> you need some brackets, a semicolon, and the word 'then' to complete
> the syntax.  Here is what I think you want (note that the spacing
> around the brackets is important, as well as all of the punctuation in
> the 'if' line):
> 
> if [ `date -r $file +%V` -lt $number ]; then
> echo It be.
> else
> echo It be not.
> fi
> 
> HTH, and have a _great_ day.
> 
> On Sat, Apr 22, 2006 at 07:59:24PM +0100, Chris Norman wrote:
>> Hi people,
>> I want to use the if command, but can't find any manual page for it.
>> 
>> I want to use it to run a command, and at present, I have:
>> 
>> if date -r $file +%V -lt $number; then
>> #statements
>> fi
>> 
>> But it won't work.
>> 
>> $file is a filename. How do I do this?
>> 
>> Cheers,
>> 
>> Chris Norman
>> <!-- chris.norman4 at ntlworld.com -->
>> _______________________________________________
>> Speakup mailing list
>> Speakup at braille.uwo.ca
>> http://speech.braille.uwo.ca/mailman/listinfo/speakup
> 
> -- 
> Ralph.  N6BNO.  Wisdom comes from central processing, not from I/O.
> rreid at sunset.net  http://personalweb.sunset.net/~rreid
> ...passing through The City of Internet at the speed of light!
> 1 = x^0
> 
> _______________________________________________
> Speakup mailing list
> Speakup at braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup