diff options
Diffstat (limited to 'contrib/file/doc/file.man')
| -rw-r--r-- | contrib/file/doc/file.man | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/contrib/file/doc/file.man b/contrib/file/doc/file.man index 109c67686111..d4d3e58bf6ea 100644 --- a/contrib/file/doc/file.man +++ b/contrib/file/doc/file.man @@ -1,5 +1,5 @@ -.\" $File: file.man,v 1.111 2014/12/16 23:18:40 christos Exp $ -.Dd December 16, 2014 +.\" $File: file.man,v 1.117 2015/06/03 19:51:27 christos Exp $ +.Dd June 3, 2015 .Dt FILE __CSECTION__ .Os .Sh NAME @@ -8,8 +8,9 @@ .Sh SYNOPSIS .Nm .Bk -words -.Op Fl bcEhiklLNnprsvz0 +.Op Fl bcEhiklLNnprsvzZ0 .Op Fl Fl apple +.Op Fl Fl extension .Op Fl Fl mime-encoding .Op Fl Fl mime-type .Op Fl e Ar testname @@ -213,6 +214,8 @@ Consults magic files. .It tar Examines tar files. .El +.It Fl Fl extension +Print a slash-separated list of valid extensions for the file type found. .It Fl F , Fl Fl separator Ar separator Use the specified string as the separator between the filename and the file result returned. @@ -343,6 +346,9 @@ since on some systems it reports a zero size for raw disk partitions. Print the version of the program and exit. .It Fl z , Fl Fl uncompress Try to look inside compressed files. +.It Fl Z , Fl Fl uncompress-noreport +Try to look inside compressed files, but report information about the contents +only not the compression. .It Fl 0 , Fl Fl print0 Output a null character .Sq \e0 @@ -587,20 +593,30 @@ last-pushed (most specific, one hopes) value at the end, or use a default if the list is empty. This should not slow down evaluation. .Pp +The handling of +.Dv MAGIC_CONTINUE +and printing \e012- between entries is clumsy and complicated; refactor +and centralize. +.Pp +Some of the encoding logic is hard-coded in encoding.c and can be moved +to the magic files if we had a !:charset annotation +.Pp Continue to squash all magic bugs. See Debian BTS for a good source. .Pp Store arbitrarily long strings, for example for %s patterns, so that they can be printed out. Fixes Debian bug #271672. -Would require more complex store/load code in apprentice. +This can be done by allocating strings in a string pool, storing the +string pool at the end of the magic file and converting all the string +pointers to relative offsets from the string pool. .Pp Add syntax for relative offsets after current level (Debian bug #466037). .Pp Make file -ki work, i.e. give multiple MIME types. .Pp Add a zip library so we can peek inside Office2007 documents to -figure out what they are. +print more details about their contents. .Pp Add an option to print URLs for the sources of the file descriptions. .Pp @@ -610,6 +626,9 @@ string to be looked up in a table). This would avoid adding the same magic repeatedly for each new hash-bang interpreter. .Pp +When a file descriptor is available, we can skip and adjust the buffer +instead of the hacky buffer management we do now. +.Pp Fix .Dq name and @@ -627,6 +646,15 @@ Make more efficient by keeping a sorted list of names. Special-case ^ to flip endianness in the parser so that it does not have to be escaped, and document it. +.Pp +If the offsets specified internally in the file exceed the buffer size +( +.Dv HOWMANY +variable in file.h), then we don't seek to that offset, but we give up. +It would be better if buffer managements was done when the file descriptor +is available so move around the file. +One must be careful though because this has performance (and thus security +considerations). .Sh AVAILABILITY You can obtain the original author's latest version by anonymous FTP on |