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Posted by PerlFAQ Server on February 23, 2008, 9:03 am
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This is an excerpt from the latest version perlfaq4.pod, which
comes with the standard Perl distribution. These postings aim to
reduce the number of repeated questions as well as allow the community
to review and update the answers. The latest version of the complete
perlfaq is at http://faq.perl.org .
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4.26: How do I reformat a paragraph?
Use "Text::Wrap" (part of the standard Perl distribution):
use Text::Wrap;
print wrap("\t", ' ', @paragraphs);
The paragraphs you give to "Text::Wrap" should not contain embedded
newlines. "Text::Wrap" doesn't justify the lines (flush-right).
Or use the CPAN module "Text::Autoformat". Formatting files can be
easily done by making a shell alias, like so:
alias fmt="perl -i -MText::Autoformat -n0777 \
-e 'print autoformat $_, ' $*"
See the documentation for "Text::Autoformat" to appreciate its many
capabilities.
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