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|
#!/usr/bin/perl
$target = $ARGV[0];
$file = $ARGV[1];
$copy = 1;
$recognized = 0;
$closed = 1;
$printed = 0;
$wslines = 0;
open(FILE, "$file");
sub wslines()
{
return if !$printed;
while ($wslines)
{
print "\n";
$wslines--;
}
}
while ($line = <FILE>)
{
chomp $line;
if ($line =~ /^<.*$target.*>\s*$/c)
{
$copy = 1;
$closed = 0;
$recognized = 1;
}
elsif ($line =~ /^<>\s*$/c)
{
$copy = 1;
$closed = 1;
$recognized = 0;
}
elsif ($line =~ /^<else>\s*$/c)
{
$closed = 0;
$copy = !$recognized;
}
elsif ($line =~ /^<[^>]+>\s*$/c)
{
$closed = 0;
$copy = 0;
}
elsif ($copy)
{
if ( $line =~ /^\s*$/ )
{
if ($printed)
{
$wslines++;
}
next;
}
wslines();
print "$line\n";
$printed = 1;
}
}
print "\n";
if (!$closed)
{
warn "Maybe no close tag <> in $file\n";
}
|
