From: Suraj Kurapati <snk@...>
Date: 2007-07-24T13:19:36+09:00
Subject: Re: Calling a Perl script from Ruby

12 34 wrote:
> Answering own question:
> 
> gpxFiles =  gpxDateFN.join("\" \" ")
> `perl \"#{gpsPhotoLoc}\"  --dir \"#{destPhoto}\"  --gpsfile 
> \"#{gpxFiles}\"   --timeoffset #{timeOffset}`
> 
> All the double quotes are needed because the file names have spaces in 
> them, and gpxFiles is a list of file names with a space in between each 
> item. Rather ugly solution.

class String
  # Transforms this string into an escaped POSIX shell argument.
  def shell_escape
    inspect.gsub(/\\(\d{3})/) {$1.to_i(8).chr}
  end
end

> Open to suggestions on getting a string list 
> from an array with double quotes around each item and a space between 
> each item.

your_array.map {|s| s.shell_escape}.join(' ')
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