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#!/usr/bin/perl
use strict;
use warnings;
use File::Basename;
my $filename = fileparse($ARGV[0]);
(my $program, my $section) = split(/\./, $filename);
# Set up warning text
my $warning = <<WARNING;
.PP
Diese Handbuchseite ist eventuell veraltet. Im Zweifelsfall ziehen Sie
die englischsprachige Handbuchseite zu Rate, indem Sie
.IP
man -LC $section $program
.PP
eingeben.
WARNING
# Insert only once per file
my $inserted = 0;
# Read the whole file
while (<>) {
# Match the first .SH section header
if (!$inserted and /^\.SH\s+/) {
# Print this section header
print;
# Read until next section header
while (<>) {
if (/^\.SH\s+/) {
# Prepend the warning
print $warning;
# Remember that the warning is now inserted
$inserted = 1;
# Leave this inner loop and process rest of file
last;
}
# Print lines for inner loop
print;
}
}
# Print non-matching lines
print;
}
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