/usr/bin/dcraw2hdrgen is in pfstools 2.0.4-5build1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | #!/bin/bash
#
# This file is a part of PFS CALIBRATION package.
# ----------------------------------------------------------------------
# Copyright (C) 2004 Grzegorz Krawczyk, <gkrawczyk@users.sourceforge.net>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# ----------------------------------------------------------------------
# This program by Georg Zotti <gzotti@cg.tuwien.ac.at>, derived from jpeg2hdrgen
#
# $Id: dcraw2hdrgen,v 1.3 2013/11/10 21:10:02 rafm Exp $
LC_NUMERIC=POSIX # ensure dot is used as the decimal separator
export LC_NUMERIC
LC_ALL=POSIX # apparently this is necessary on Gentoo
export LC_ALL
DCRAW="dcraw -i -v" # program for extracting exposure info from "raw" images
TEST_DCRAW=`which dcraw`;
if [ "$TEST_DCRAW" = "" ]; then
echo "Program 'dcraw' is required to run this script."
echo "Install appropriate software, for example from:"
echo "http://www.cybercom.net/~dcoffin/dcraw/"
exit 1;
fi
#Note: Double backslash MUST be put in front of each $ sign
AWK_PROGRAM=`cat <<EOF
BEGIN {
exposure="";
aperture="";
}
END {
if( aperture=="" )
aperture=1;
if( iso_speed=="" )
iso_speed=100;
if( exposure=="" )
printf("unrecognized raw format!\n");
else
print exposure " " aperture " " iso_speed " 0";
}
/^Shutter: (1\/)?([0-9]*\.[0-9]*) sec/ {
if (substr(\\$2, 1, 2)=="1/")
exposure = substr(\\$2, 3);
else
exposure = 1/\\$2;
}
/^Aperture: f\/([0-9]*\.[0-9]*)/ {
aperture = substr(\\$2,3);
}
/^ISO speed: ([0-9]*\.?[0-9]*)/ {
iso_speed = \\$3;
}
EOF`
while [ "$1" != "" ]; do
EXPOSURE_INFO=`$DCRAW "$1" | awk "$AWK_PROGRAM"`
echo "$1" $EXPOSURE_INFO
shift
done
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