We told you how to fix two sources of differences. A third possibility is that the scripts you were using were different than the versions you showed us. (Yeah, I know you didn't do it on purpose if this is the case, but it's probably happened to all of us at some point.)

If it still doesn't work, we'll need to see the files. If you're afraid of losing hidden characters, you could always show the output of od -c miss.

In reply to Re^4: Print to a file then use file content for test? by ikegami
in thread Print to a file then use file content for test? by lcollins

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