[ale] bash question

[Pete Hardie]

Christopher Bergeron wrote:
> I'm trying to compare the output of a command in an if conditional using 
> bash.  The only problem is that I can't figure out how it's done, and 
> everything that I try to search for on google brings up a million 
> unrelated hits.  I looked through advanced bash scripting guide, but 
> still couldn't find the answer.  Hopefully, someone on the list can help 
> me with this one:
> 
> I have a file that contains a date in the format:
> 20030705
> 
> and I'd like to perform an if conditional like such:
> 
> if [ `date +%Y%m%d` -eq `cat datefile.txt` ]; then
> echo They match!
> else
> echo They dont match!
> fi
> 
> but that doesn't seem to work.  Can anyone give me any pointers on how I 
> can accomplish this?


IIRC, -eq is used for numeric comparison, and == is for string equality, so 
that's one possible problem.


-- 
Pete Hardie                   |   Goalie, DVSG Dart Team
     posting from, but not     |
	speaking for:             |
Scientific Atlanta, Digital Video Services Group



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