DIR=$HOME/counter
mkdir -p $DIR
agrc=$#
seqName=default
action="next"
if [ ! "$agrc" -le 0 ]
then
#{
# echo "WARNING: There is no argument, sequence name is used default"
#}
#else
#{
seqName=$1
if [ "$2" != "" ]
then
action=$2
fi
#}
fi
fileName=$DIR/$seqName
count=0
returnCount=0
if [ -f $fileName ]
then
#{
count=$(cat $fileName)
if [ "$action" == "current" ]
then
returnCount=$count
elif [ "$action" == "current++" ]
then
returnCount=$count
count=`expr $count + 1`
elif [ "$action" == "++current" ]
then
count=`expr $count + 1`
returnCount=$count
elif [ "$action" == "--current" ]
then
count=`expr $count - 1`
returnCount=$count
elif [ "$action" == "current--" ]
then
returnCount=$count
count=`expr $count - 1`
elif [ "$action" == "previous" ]
then
count=`expr $count - 1`
returnCount=$count
else
count=`expr $count + 1`
returnCount=$count
fi
#}
#else
#{
#echo "initilize count"
returnCount=$count
#}
fi
echo "$count" > $fileName
#return $count
echo $returnCount
exit 0