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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,
       renames 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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