As merlyn mentioned, his change is only a win on strings which are so long that repeated editing of the string is a loss. Most text files will be a loss.

Try a large file full of lines that are a few thousand characters long on average and see if the substr solution isn't getting slowed down...

In reply to Re (tilly) 5: how do I line-wrap while copying to stdout? by tilly
in thread how do I line-wrap while copying to stdout? by ams

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