tex

UNIX下FILE命令的实现源码

#------------------------------------------------------------------------------
# tex:  file(1) magic for TeX files
#
# From <[e-mail]>

# Although we may know the offset of certain text fields in TeX DVI
# and font files, we can't use them reliably because they are not
# zero terminated. [but we do anyway, christos]
0	string		\367\002	TeX DVI file
>16	string		>\0		(%s)
0	string		\367\203	TeX generic font data
0	string		\367\131	TeX packed font data
>3	string		>\0		(%s)
0	string		\367\312	TeX virtual font data
0	string		This\ is\ TeX,	TeX transcript text
0	string		This\ is\ METAFONT,	METAFONT transcript text

# There is no way to detect TeX Font Metric (*.tfm) files without
# breaking them apart and reading the data.  The following patterns
# match most *.tfm files generated by METAFONT or afm2tfm.
2	string		\000\021	TeX font metric data
>33	string		>\0		(%s)
2	string		\000\022	TeX font metric data
>33	string		>\0		(%s)

# Texinfo and GNU Info, from Daniel Quinlan ([e-mail])
0	string		\\input\ texinfo	Texinfo source text
0	string		This\ is\ Info\ file	GNU Info text

# TeX documents, from Daniel Quinlan ([e-mail])
0	string		\\input		TeX document text
0	string		\\section	LaTeX document text
0	string		\\setlength	LaTeX document text
0	string		\\documentstyle	LaTeX document text
0	string		\\chapter	LaTeX document text
0	string		\\documentclass	LaTeX 2e document text
0	string		\\relax		LaTeX auxiliary file
0	string		\\contentsline	LaTeX  table of contents

# Index and glossary files
0	string		\\indexentry	LaTeX raw index file
0	string		\\begin{theindex}	LaTeX sorted index
0	string		\\glossaryentry	LaTeX raw glossary
0	string		\\begin{theglossary}	LaTeX sorted glossary
0	string		This\ is\ makeindex	Makeindex log file
# End of TeX