bdg2bw.sh

#!/bin/bash

# check commands: slopBed, bedGraphToBigWig and bedClip

which bedtools &>/dev/null || { echo "bedtools not found! Download bedTools: <http://code.google.com/p/bedtools/>"; exit 1; }
which bedGraphToBigWig &>/dev/null || { echo "bedGraphToBigWig not found! Download: <http://hgdownload.cse.ucsc.edu/admin/exe/>"; exit 1; }
which bedClip &>/dev/null || { echo "bedClip not found! Download: <http://hgdownload.cse.ucsc.edu/admin/exe/>"; exit 1; }

# wget http://hgdownload.cse.ucsc.edu/goldenPath/hg19/database/chromInfo.txt.gz 

# end of checking

if [ $# -lt 2 ];then
    echo "Need 2 parameters! <bedgraph> <chrom info>"
    exit
fi

F=$1
G=$2

bedtools slop -i ${F} -g ${G} -b 0 | bedClip stdin ${G} ${F}.clip

LC_COLLATE=C sort -k1,1 -k2,2n ${F}.clip > ${F}.sort.clip

bedGraphToBigWig ${F}.sort.clip ${G} ${F/bdg/bw}

rm -f ${F}.clip ${F}.sort.clip