2348 2003-03-10 13:08:18 +0300 Java source files misdetected as Perl 2005-07-13 15:45:20 +0400 1 1 4 Development Sisyphus file unstable all Linux CLOSED FIXED P5 normal --- 1 mhz placeholder at glebfm ldv placeholder vt qa-sisyphus oldest_to_newest 2135 0 mhz 2003-03-10 13:08:18 +0300 Huge majority of Java source files contain the keyword \"package\". This word is treated as an indication of a Perl package. --- --- I believe, the following line in the magic file is to blame: 0 string package Perl5 module source text 12069 1 ldv 2004-03-01 19:16:45 +0300 Could you attach an example, please. 12168 2 356 mhz 2004-03-07 14:18:58 +0300 Created attachment 356 A file from the Jakarta log4j project file recognizes it as "Perl5 module source text". 12181 3 ldv 2004-03-08 13:06:46 +0300 When you comment this "Perl5 module source text" rule out, file will misdetect perl package files as "ASCII Java program text". 12184 4 mhz 2004-03-08 14:30:42 +0300 There should be a more elaborate heuristic. Components of a Java package name are delimited with dots. Since widely-available Java package names should be global by convention (e.g. org.altlinux.oursoftware.ourpackage), single-component package names are unlikely. In Perl, package names are delimited with ':' (or "'", but that's obscure), and single-component package names are common. I haven't had time to master syntax of magic files, so I'll put it down in regex parlour. Here's a pattern to Java files: package[[:space:]]+[A-Za-z][A-Za-z0-9]*\.[A-Za-z] If that doesn't match, the following matches Perl modules: package[[:space:]]+[A-Za-z] 12190 5 ldv 2004-03-09 01:13:28 +0300 The matcher in libmagic has string limit (32), so your regex is too long. This one line seems to be enough: 0 regex \^package[\ \ ]+[A-Za-z][^.;]*; Perl5 module source text Please create empty magic_file, add this line there and test with "file -m magic_file". 12192 6 mhz 2004-03-09 11:03:50 +0300 Tested with the pattern as suggested. The regex doesn't mismatch Java files. But .pm files that do contain "package" are all detected as "ASCII English text" or "ASCII C++ program text". Tested on XML-LibXML-1.56. 12195 7 ldv 2004-03-09 14:46:59 +0300 Ok, fixed in file-4.07-alt3. 356 2004-03-07 14:18:58 +0300 2004-03-07 14:18:58 +0300 A file from the Jakarta log4j project JDBCAppender.java text/plain 9023 mhz cGFja2FnZSBvcmcuYXBhY2hlLmxvZzRqLmpkYmM7DQoNCmltcG9ydCBvcmcuYXBhY2hlLmxvZzRq Lio7DQppbXBvcnQgb3JnLmFwYWNoZS5sb2c0ai5zcGkuKjsNCmltcG9ydCBvcmcuYXBhY2hlLmxv ZzRqLlBhdHRlcm5MYXlvdXQ7DQoNCmltcG9ydCBqYXZhLnV0aWwuQXJyYXlMaXN0Ow0KaW1wb3J0 IGphdmEudXRpbC5JdGVyYXRvcjsNCg0KaW1wb3J0IGphdmEuc3FsLkRyaXZlck1hbmFnZXI7DQpp bXBvcnQgamF2YS5zcWwuQ29ubmVjdGlvbjsNCmltcG9ydCBqYXZhLnNxbC5TdGF0ZW1lbnQ7DQpp bXBvcnQgamF2YS5zcWwuU1FMRXhjZXB0aW9uOw0KDQoNCi8qKg0KICAgPHA+PGI+PGZvbnQgY29s b3I9IiNGRjIyMjIiPldBUk5JTkc6IFRoaXMgdmVyc2lvbiBvZiBKREJDQXBwZW5kZXINCiAgIGlz IHZlcnkgbGlrZWx5IHRvIGJlIGNvbXBsZXRlbHkgcmVwbGFjZWQgaW4gdGhlIGZ1dHVyZS4gTW9y ZW9ldmVyLA0KICAgaXQgZG9lcyBub3QgbG9nIGV4Y2VwdGlvbnMuPC9mb250PjwvYj4gPC9wPg0K DQogIFRoZSBKREJDQXBwZW5kZXIgcHJvdmlkZXMgZm9yIHNlbmRpbmcgbG9nIGV2ZW50cyB0byBh 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