Hints & Tips

Hints & Tips

Sanitize Filenames for Shell Scripts

Joe Block writes: “I ran into an issue with Automator workflows that call unix shell scripts. I’ve detailed it here, but it boils down to if you have a workflow that sends filenames to the unix script, you need to add an extra Applescript step to sanitize the file names.

Just put a Run Applescript action ahead of the Run Shell Script action, and put the below code in. It’ll take the list of file aliases and convert them to properly quoted paths for the shell script to act on.”

on run {input, parameters}
  set output to {}
  repeat with i from 1 to length of input
    set x to item i of input
    set output to output & {quoted form of POSIX path of x}
  end repeat
  return output
end run



  1. Excellent! I was going to need this during the next few days for a workflow. Thanks.

    Comment by Peter Dekkers — May 20, 2005 @ 5:13 pm

  2. I just wanted to note that I didn’t write that script – Mike Ashley from the Automator-Users list did

    Comment by Joe Block — May 21, 2005 @ 11:04 am

  3. Yes– I should have pointed that out in the posting. By they way, anyone interested in signing up for the Automator (or any other) list, go to http://lists.apple.com/mailman/listinfo

    Comment by Steve — May 21, 2005 @ 11:25 am

  4. No problem, I just wanted to make sure that I gave him credit for his assistance.

    Comment by Joe Block — May 21, 2005 @ 3:42 pm

  5. That’s really cool. Thanks. But come someone tell me how to then use that parameter in the next shell script?

    Comment by Paul — May 22, 2005 @ 10:28 am

  6. If you are creating the shell script yourself, you can always use the quoted form of the path in the script in the script itself. i.e. “$path” (the variable in quotes).

    Comment by jgrafix — November 30, 2007 @ 9:04 pm

Leave a comment

XHTML: You can use these tags: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>