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EPINFO(1)			 User Commands			     EPINFO(1)

NAME
       epinfo  -  extract  technical information from digital camera generated
       files

SYNOPSIS
       epinfo [-h] [-V]	[-z] [-r] [-t] [-f fmt]	[-T <TagName>] <filename> ...

DESCRIPTION
       This command extracts the contents of TIFF directory of Exif  files  or
       APP12  marker  from  JFIF files,	parses it and optionaly	finds specific
       data inside it.	If used	without	-T, -r and -t options, dumps the  com-
       plete block data	in human readable format.  With	-r and -t options, re-
       names and changes timestamp of the files.

OPTIONS
       -h   This option	produces a help	screen of all options and commands.

       -V   This option	prints software	revision information.

       -z   This option	sets no	time-zone processing mode.  Use	this option if
	    the	 camera's clock	is set up shifted by the local timezone	offset
	    (as	it is when you set it manually to the local time).

       -r   Rename files, generating new name based on the  time  of  snapshot
	    and	-f option value.

       -t   Set	timestamp of the files to the time of snapshots.

       -f timeformat
	    This  option allows	to specify the format for automatically	gener-
	    ated image file names; the value is	used as	the format string  for
	    strftime(3)	  function.    By   default,   names   of  the	format
	    "MMDD_NNN.jpg" are generated, where	MM is a	month, DD  is  a  day,
	    and	 NNN  is a count starting from 001.  A good starting point for
	    the	timeformat value could	be  "%Y_%m_%d-%H_%M_%S.jpg".   If  the
	    format  string  contains context "%%XXXd" where XXX	are digits, it
	    is taken for the count,  i.e.  if  the  file  with	such  name  is
	    present,  next count is tried.  If the format string does not con-
	    tain "%%XXXd" part,	the count field, if necessary, is appended  at
	    the	end of the name.

	    A  few  single-character formats are used as shortcuts.  "x" makes
	    the	name of	seconds	since the epoch	in hexadecimal format (8 char-
	    acters  +  ".jpg"),	 "d"  -	the same in decimal format (10 charac-
	    ters), "1" stands for default format "%m%d_%%03d.jpg", "2"	stands
	    for	 "%y%m%d%%02d.jpg", "3"	stands for "%Y_%m_%d-%H_%M_%S.jpg" and
	    4 stands for "%Y/%m/%d/%H_%M_%S.jpg".   The	 program  attempts  to
	    create intermediate	directories is necessary (and possible).

       -T <TagName>
	    Output  the	 value of this keyword in the information block.  Note
	    that keywords are case sensitive.  TagName	DateTime  has  special
	    meaning: if	the file is Exif, it just prints the value of DateTime
	    tag, and if	the format is old APP12, it outputs the	value of Time-
	    Date tag in	the same format	as Exif	DateTime.

ARGUMENTS
       <filename> ...
	    List of filenames to process.

EXAMPLES
       % epinfo	-f3 -rt	pic00001.jpg

       % epinfo	-T FNumber 0512_003.jpg

OTHER NOTES
       The  latest version of this tool	can be found at	http://photopc.source-
       forge.net/

       Trademarks are properties of their respective owners.

COPYRIGHT
       The program is copyrighted by Eugene G.	Crosser	 <crosser@average.org>
       and freely distributable.  See README file for details.

SEE ALSO
       photopc(1)

PhotoPC	manipulation tool	  24 May 1997			     EPINFO(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | ARGUMENTS | EXAMPLES | OTHER NOTES | COPYRIGHT | SEE ALSO

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