mirror of https://github.com/odrling/Aegisub
30 lines
791 B
Perl
30 lines
791 B
Perl
#!/usr/bin/perl
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#############################
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# unicodereplace.pl - replaces high codepoints in infile with \uHEX escapes
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####
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# Usage: unicodereplace.pl infile outfile
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#############################
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use warnings;
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use strict;
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use utf8;
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my ($infile, $outfile) = @ARGV; # get arguments
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open(INFILE, "<:utf8", $infile) or die("Can't open $infile: $!");
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open(OUTFILE, ">:utf8", $outfile) or die("Can't open $outfile: $!");
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# loop over lines in the infile
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while (<INFILE>) {
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for (split('', $_)) { # loop over characters in the line
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my $cp = ord;
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if ($cp < 127 or $cp == 0xFFFE or $cp == 0xFEFF) { # is it a normal ASCII codepoint or a BOM?
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print OUTFILE $_; # then pass through unchanged
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}
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else {
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print OUTFILE "\\u", sprintf("%04x", $cp); # otherwise print as \uHEX
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}
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}
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}
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