From: 12 34 <rubyforum@...>
Date: 2007-07-23T15:16:40+09:00
Subject: Re: Calling a Perl script from Ruby

Ron Mr. wrote:
> Dave Coleman wrote:
>> Tim Hunter wrote:
>>   
>>> Check out the system() method.
>>>     
>> looks like system only returns true or false if the system call executes 
>> successfully. What if you want to evaluate what's returned from that 
>> perl script?
>>
>>   
> backticks my friend :)

Thanks, backticks are my friend. The time delay in responding was due to 
sorting out the Perl script--my issues a a minor bug in the script which 
was quickly fixed.

I want to be able to use Ruby variables in the Perl script. Here's the 
command line script:
perl gpsPhoto.pl   --dir photos/  --gpsfile GPSTrackWithTime.gpx
--timeoffset )

I can hard code the location of the gpsPhoto.pl, dir, etc, but I want to 
use Ruby variables, e.g.

`perl gpsPhotoLoc  --dir destPhoto  --gpsfile gpxFiles   --timeoffset 0`

where e.g.

"/Users/me/Library/Scripts/Digital Camera Scripts/gpsPhoto.w.pl"

Thanks for any suggestions
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