From: "Chris Norman" <cnorman@rnibncw.ac.uk>
To: "Speakup is a screen review system for Linux." <speakup@braille.uwo.ca>
Subject: Re: IF Help
Date: Mon, 24 Apr 2006 00:44:06 +0100 [thread overview]
Message-ID: <005301c6672f$d1181ca0$1d02a8c0@sparky> (raw)
In-Reply-To: <20060423164955.GA12848@sunset.net>
Cheers mate.
Chris Norman
<!-- chris.norman4@ntlworld.com -->
----- Original Message -----
From: "Ralph W. Reid" <rreid@sunset.net>
To: "Speakup is a screen review system for Linux." <speakup@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@ntlworld.com -->
>> _______________________________________________
>> Speakup mailing list
>> Speakup@braille.uwo.ca
>> http://speech.braille.uwo.ca/mailman/listinfo/speakup
>
> --
> Ralph. N6BNO. Wisdom comes from central processing, not from I/O.
> rreid@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@braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup
prev parent reply other threads:[~ UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
Chris Norman
` Gregory Nowak
` Georgina Joyce
` Chris Norman
` ace
` Ralph W. Reid
` Chris Norman [this message]
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