Hi perl gurus,

I have a delima that I'm trying to solve, but can't seem find the answer. Maybe someone has already solved this before.

My delima is: I'm trying to push a string onto an array only if it doesn't already exist in the array. I know that I could probably use a hash instead, but don't want to use a hash (key = value), since the string is just a directory path that I'm storing for future use.

some code that I've tried: 

push(@mounts, "$directory/$entry") unless (exists($mounts["$directory/
+$entry"]));

[download]
returns a warning/error: Argument "$directory/$entry" isn't numeric in exists at scriptname line #. 
push(@mounts, "$directory/$entry") if  (!(exists($mounts["$directory/$
+entry"])));

[download]
returns the same warning/error.

What, if any, is the syntax for testing if a string already exists in the @array, before pushing it onto the @array?

TIA

Mitch

In reply to Testing for a string value within an array by perlMunger

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