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#!/usr/bin/perl |
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|
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use strict; |
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|
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$| = 1; |
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|
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# to be on the safe side: |
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binmode STDIN; |
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binmode STDOUT; |
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binmode STDERR; |
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|
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my %cache; |
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|
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while () { |
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alarm 30; |
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4 == read STDIN, my $len, 4 |
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or exit 0; |
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$len = unpack "N", $len; |
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$len < 10000 or die; |
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$len == read STDIN, my $path, $len |
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or die; |
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alarm 0; |
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|
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# shorten path |
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my @short; |
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|
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for (split /\//, $path) { |
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|
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if (255 < length) { |
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# remove short-enough extension |
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s/((?:\..{1,5}){0,3})\z//s; |
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my $ext = $1; |
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|
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while (255 < length "$_$ext") { |
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# remove a single utf-8 char from the end |
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s/(?:[\x01-\x7f]|[\xc0-\xff][\x80-\xbf]+|.)\z//s; |
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} |
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|
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$_ .= $ext; |
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} |
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|
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push @short, $_; |
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} |
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|
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my $short = join "/", @short; |
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|
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warn "shorten:\n$path\n$short\n" if $ENV{ENAMETOOLONG_VERBOSE}; |
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|
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print pack "N/a", $short; |
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} |
