Have you verified that the value of $strFile is exactly the same in both scripts when that line is executed? What is an example value? If it's not the same, how is $strFile set?

Does the script have 'use warnings;' and 'use strict;'? If not, anything new when you add them?
Update: ysth points out that 'use warnings' is a perl >= 5.6.0 thing. Hopefully 'use strict' will still help the OP to help us help him..

In reply to Re^3: version compatability by davidrw
in thread version compatability by dani681

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