--- /dev/null
+#!/bin/bash
+
+rm -rf video
+mkdir -p video
+
+sicnt=`grep 'ions per' OUTCAR | awk '{ print $5 }'`
+ccnt=`grep 'ions per' OUTCAR | awk '{ print $6 }'`
+
+((total=sicnt+ccnt))
+
+echo "parsing OUTCAR file ..."
+echo " Si: $sicnt, C: $ccnt, total: $total"
+
+cnt=0
+tcnt=0
+
+cx=1.0
+cy=1.0
+cz=0.8
+
+sed -n -e '/POSITION/,/total/p' OUTCAR | \
+ grep -v POS | grep -v total | grep -v -- ^\ - | \
+ while read x y z fx fy fz; do
+
+ time=`printf "%05d" $tcnt`
+ echo -en "$tcnt/$cnt "
+ [ "$cnt" = "0" ] && \
+ echo "# P $total $time <$cx,$cy,$cz>" > \
+ video/atomic_conf_$time.xyz
+
+ type="Si"
+ color="Yellow"
+ force=`echo "sqrt($fx*$fx+$fy*$fy+$fz*$fz)" | bc`
+ if [ $cnt -ge $sicnt ]; then
+ type="C"
+ color="Gray"
+ fi
+ echo "$type $x $y $z $color $force" >> \
+ video/atomic_conf_$time.xyz
+
+ ((cnt+=1))
+ if [ $cnt -eq $total ]; then
+ cnt=0
+ ((tcnt+=1))
+ echo
+ fi
+done
+
+echo
+