czech-wordnet.pl: improve portability
Perl runs `` commands in the shell only if they contain shell metacharacters.
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		@@ -5,7 +5,7 @@ use warnings;
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use strict;
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# GNU Gzip can unpack a ZIP file, but not the BSD one, and unzip can't use stdin
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my $zipcat = qx/command -v bsdtar/ ? 'bsdtar -xOf-' : 'zcat';
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my $zipcat = qx/(command -v bsdtar)/ ? 'bsdtar -xOf-' : 'zcat';
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my $base = 'https://lindat.cz/repository/xmlui';
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my $path = 'handle/11858/00-097C-0000-0001-4880-3';
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