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.\" ========================================================================
.\"
.IX Title "IO::Digest 3pm"
.TH IO::Digest 3pm "2022-12-07" "perl v5.36.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
IO::Digest \- Calculate digests while reading or writing
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& use IO::Digest;
\&
\& # Get a Digest::MD5 object that takes input while $fh being written or read
\& my $fh;
\& my $iod = IO::Digest\->new ($fh, \*(AqMD5\*(Aq);
\&
\& print $fh "fooo";
\& print $iod\->hexdigest
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module allows you to calculate digests while reading or writing
file handles.  This avoids the case you need to reread the same
content to compute the digests after written a file.
.SH "TEST COVERAGE"
.IX Header "TEST COVERAGE"
.Vb 6
\& \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\-
\& File                                  stmt branch   cond    sub   time  total
\& \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\-
\& blib/lib/IO/Digest.pm                100.0    n/a    n/a  100.0  100.0  100.0
\& Total                                100.0    n/a    n/a  100.0  100.0  100.0
\& \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\- \-\-\-\-\-\-
.Ve
.SH "AUTHORS"
.IX Header "AUTHORS"
Chia-liang Kao <clkao@clkao.org>
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2004 by Chia-liang Kao <clkao@clkao.org>.
.PP
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
.PP
See <http://www.perl.com/perl/misc/Artistic.html>