Re^2: How can I read and print lines that has only one word from a file


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Re^2: How can I read and print lines that has only one word from a file

by tadman (Prior)

on Jul 15, 2002 at 04:17 UTC ( [id://181692]=note: print w/replies, xml )

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in reply to Re: How can I read and print lines that has only one word from a file
in thread How can I read and print lines that has only one word from a file

Or alternatively, being a little more accomodating:

while (<>)
{
     print if (/^\s*\S+\s*$/);
}
[download]

You can call this with either one file, or as many as you like. The double-angle-brackets just read in anything from @ARGV. Further, it looks for a single group of "non-space" characters. This includes things with punctuation and such.

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