DESCRIPTION

from undefined

The first file name you sent to the comparison function was undefined.

to undefined

The second file name you sent to the comparison function was undefined.

Third arg to compare_text() function must be a code reference

If the standard string comparison does not match your needs, you can provide a code reference as a third argument to the compare_text function. You provided something else. Check your program.

Usage: compare( file1, file2 [, buffersize])

You must call the compare function with two file names or two filehandles, and optionally a buffer size.

Usage: compare_text( file1, file2 [, cmp-function])

You must call the compare_text function with two file names or two filehandles, and optionally a comparison function.