if(-f $name )
    {
        if(!(-w $name))
        {
            print "File '$name' doesn't have write permission\n";
        }
    }

[download]

-f switch is used to check whether $name is file or not.
-w switch is used to test whether file has write permission or not.

Originally posted as a Categorized Answer.

In reply to Re: How do I test whether or not a file is writable? by kiruthika.bkite
in thread How do I test whether or not a file is writable? by Anonymous Monk

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