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Text File
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1994-06-19
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1KB
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42 lines
#!/usr/local/perl
# written by jason steiner, jsteiner@anwsun.phya.utoledo.edu, Jan 1993
#
# if you use or make improvements to this program i would appreciate
# copies of your modifications & your PGP public key.
$|=1;
$topgp=0;
$logname = $ENV{'LOGNAME'};
$pager='/usr/ucb/more';
$pager = $ENV{'PAGER'} if ($ENV{'PAGER'});
open (PAGER, "|$pager") || die "cannot open pipe to $pager\n";
while (<STDIN>) {
if (!$topgp) {print PAGER;}
if (!$topgp && m/^-----BEGIN PGP .*-----/) {
$topgp = 1;
close PAGER;
$tmpfile = "/tmp/.pgp.$$.$logname";
unlink($tmpfile);
open (TMPFILE, ">$tmpfile") || die "cannot open $tmpfile for output\n";
}
if ($topgp) {
print TMPFILE $_;
if (m/^-----END PGP .*-----/) {
$topgp = 0;
close TMPFILE;
$clrfile = "/tmp/.clr.$$.$logname";
`pgp $tmpfile -o $clrfile`;
open (PAGER, "|$pager") || die "cannot open pipe to $pager\n";
open (CLEAR, "<$clrfile");
print PAGER "-----BEGIN PGP TEXT-----\n";
while (<CLEAR>) { print PAGER; }
close CLEAR;
unlink($clrfile);
unlink($tmpfile);
print PAGER "-----END PGP TEXT-----\n";
}
}
}
close PAGER;