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I don't know how many other things that your executable asks for on standard input, but if it's only this one file name, the following command will do what you need.
`echo "$file" | $prog`; You can get rid of that fork, pipe, and pid stuff. Update: Since I got downvoted, maybe I wasn't being clear enough here? I still think this is a valid answer to the OP's original question. If a script expects input (in this case, a file name), you can pipe the input into the script. Take the following script as an example:
I think this is what the OP is looking for instead of his opening on pipes, etc. In reply to Re: running an executable from a cgi script
by swkronenfeld
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