search for: chr2_sample

...ld like to insert the following 4 lines at the beginning: browser position chr1:1-10000 browser hide all track type=wiggle_0 name=sample description=chr1_sample visibility=full variableStep chrom=chr1 span=1 and then insert 2 lines before each chromosome: track type=wiggle_0 name=sample description=chr2_sample visibility=full vriableStep chrom=chr2 span=1 The final result should be tab delimited file that looks like this: browser position chr1:1-10000 browser hide all track type=wiggle_0 name=sample description=chr1_sample visibility=full variableStep chrom=chr1 span=1 chr1 11255 55 chr1 11320 29 chr1 11...