Add requested base pairs of "slop" to each feature.
slopBed will increase the size of each feature in a feature file be a user-defined number of bases. SlopBed will restrict the resizing to the size of the chromosome (i.e. no start < 0 and no end > chromosome size).
The output is a BED file.
This tool uses the BEDTools package. Please cite the article:
Quinlan AR and Hall IM, 2010. BEDTools: a flexible suite of utilities for comparing genomic features. Bioinformatics. 26, 6, pp. 841–842.
Please see the BEDTools homepage for more details.