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#!/bin/bash
# define variables. Your needs may vary.
# use literal user name. Shell expansions may not work when this script is run by a service!Y
picdir="/home/st33v/pix"
picdate=$(date +%Y-%m-%d_%H%M)
thispic=$picdir/$picdate.jpg
artist=$(hostname)
#echo thispic = $thispic
/opt/vc/bin/raspistill -x IFD1.Artist=${artist} -q 70 -md 4: -o $thispic
# silly portrait shape
#/opt/vc/bin/raspistill -x IFD1.Artist=neatherd -w 1200 -o $thispic
# now check to see if the pic is too dark (i.e. taken at night)
mean=$(identify -format %[mean] $thispic | sed s/[.].*//)
#echo mean is "$mean"
# too dark
if [ $mean -lt 2000 ]; then
rm $pixdir/$thispic
echo mean of $mean is too low.
exit 13
fi
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