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Perl oneliners
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| # Perl 2 JSON | |
| perl -MJSON -ple '$_=encode_json eval $_' | |
| # JSON 2 Perl | |
| perl -MJSON::PP -MJSON::Syck=Load -MData::Dumper -ple '$_=Dumper(Load(encode_json(JSON::PP->new->relaxed->allow_barekey->decode($_))));' |
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| # MD5 checksum (whole file) | |
| perl -MDigest::Perl::MD5=md5_hex -le 'undef $/; $_=<STDIN>; print md5_hex($_)' |
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| # Encode ASCII string as GSM 7bit string (without charmap conversion) | |
| perl -ple '$l=length($_)*2; $l -= $l>6 ? int($l/8) : 0; $b=unpack("b*", $_); $b=~s/(.{7})./$1/g; $_=sprintf "%02X%s", $l, uc unpack("H*", pack("b*", $b))' |
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| # URL encoding by RFC 3986 (by line) | |
| perl -MURI::Escape -ple '$_=uri_escape($_)' | |
| perl -MURI::Escape -ple '$_=uri_unescape($_)' |
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| # Pretty printing in compact form | |
| perl -MXML::Twig -MText::Wrap -e 'package Text::Wrap; $columns=78; $huge="overflow"; XML::Twig->new(pretty_print=>"indented_c")->parse(\*STDIN)->print;' | |
| # Pretty printing with attributes in separate lines | |
| perl -MXML::Twig -MText::Wrap -e 'package Text::Wrap; $columns=78; $huge="overflow"; XML::Twig->new(pretty_print=>"indented_a")->parse(\*STDIN)->print;' |
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