Please try the updated code in the node above.

The problem was I got over-enthusiastic with my big number to disable the wrapping. 1e10 in a integer context (the length field of substr) was translated to -1. Hence one digit was being chopped of the end of the sequences.

At least that was the only problem I found here when I tested it.

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In reply to Re^5: When the input file is huge !!! by BrowserUk
in thread When the input file is huge !!! by sugar

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