brentp

# usage ./lift.sh input input.version output.version "FLAGS"
#
# e.g: lift.sh Homo_sapiens.GRCh37.61.gtf hg19 hg18 -gff
# will map hg19 features to hg18 coordinates.
if [ -z $3 ]
then
    echo "usage: lift Homo_sapiens.GRCh37.61.gtf hg19 hg18 -gff"
    exit 1
fi