You need to use the full path to the file for the file test. Change: 
        if (-f -x $file) {

[download]
to: 
        if (-f -x "$path/$file") {

[download]

This is how I do it: Finding commands in Unix PATH:

findcmd is a script which searches through the directories in the Unix PATH variable for executable files

In reply to Re: file test results not as expected by toolic
in thread file test results not as expected by navalned

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