StringTie

#!/bin/bash

# module init required when running on non-OSG resources, and has to sourced
# before set -e as sometimes it exits non-0 when a module environment is
# already set up
. /cvmfs/oasis.opensciencegrid.org/osg/sw/module-init.sh

set -e

module load java/8u25
module load stringtie/1.2.2

set -v

BASE_NAME=$1
GFF3=$2

# remove "empty" inputs
for F in `ls *bam`; do
        SIZE=`du -sb $F | cut -f 1`
        if [ $SIZE -lt 50 ]; then
                echo "Removing $F due to it being empty"
                rm $F
        fi
done

echo
echo
ls -l
echo
echo

# no input files left
COUNT=`ls *.bam 2>/dev/null | wc -l`
if [ $COUNT = 0 ]; then
    echo "No bam files left - creating an empty fpkm"
    touch $BASE_NAME-merged_counts.fpkm
    exit 0
fi

stringtie *.bam -G $GFF3 -e -B  > /dev/null

python ST_ttab_parse.py t_data.ctab > $BASE_NAME-merged_counts.fpkm

mv t_data.ctab $BASE_NAME-t_data.ctab
mv e_data.ctab $BASE_NAME-e_data.ctab
mv i_data.ctab $BASE_NAME-i_data.ctab