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fileutil::magic::cgen(n)                       file utilities                       fileutil::magic::cgen(n)



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NAME
       fileutil::magic::cgen - Generator core for compiler of magic(5) files

SYNOPSIS
       package require Tcl  8.4

       package require fileutil::magic::cgen  ?1.0?

       package require fileutil::magic::rt  ?1.0?

       package require struct::tree

       package require struct::list

       ::fileutil::magic::cgen::2tree script

       ::fileutil::magic::cgen::treedump tree

       ::fileutil::magic::cgen::treegen tree node

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DESCRIPTION
       This  package  provides the generator backend for a compiler of magic(5) files into recognizers based
       on the fileutil::magic::rt recognizer runtime package. For the compiler frontend using this generator
       see the package fileutil::magic::cfront.

COMMANDS
       ::fileutil::magic::cgen::2tree script
              This  command  converts  the  recognizer  specified  by the script into a tree and returns the
              object command of that tree as its result. It uses the package struct::tree for the tree.

              The script is in the format specified by magic(5).

       ::fileutil::magic::cgen::treedump tree
              This command takes a tree as generated by ::fileutil::magic::cgen::2tree and returns a  string
              encoding the tree for human consumption, to aid in debugging.

       ::fileutil::magic::cgen::treegen tree node
              This  command  takes  a  tree as generated by ::fileutil::magic::cgen::2tree and returns a Tcl
              script, the recognizer for the file types represented by the sub-tree rooted at the node.  The
              generated  script makes extensive use of the commands provided by the recognizer runtime pack-age package
              age fileutil::magic::rt to perform its duties.


BUGS, IDEAS, FEEDBACK
       This document, and the package it describes,  will  undoubtedly  contain  bugs  and  other  problems.
       Please  report  such  in  the  category  fileutil  :: magic of the Tcllib SF Trackers [http://source-
       forge.net/tracker/?group_id=12883].  Please also report any ideas for enhancements you may  have  for
       either package and/or documentation.

SEE ALSO
       file(1), fileutil, magic(5)

KEYWORDS
       file recognition, file type, file utilities, mime, type



fumagic                                              1.0                            fileutil::magic::cgen(n)