chomp;
print join("\n", grep(/./, split(/(.{80})/))), "\n";

[download]
The chomp is to get rid of the newline, since we don't really want to count it as a character (i.e. 80 chars + a newline should go on one line even though it's more than 80 chars).

In reply to Re: how do I line-wrap while copying a file to stdout? by nardo
in thread how do I line-wrap while copying a file to stdout? by Anonymous Monk

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