Find Upstream DNA Regions

p3-feature-upstream.pl [options] parms

This script takes as input a file of feature IDs. For each feature, it appends the upstream region on the input record. Use the --downstream) option to get the downstream regions instead.


There are no positional parameters.

The standard input can be overriddn using the options in Input Options.

Additional command-line options are those given in Column Options plus the following.


Display downstream instead of upstream regions.


Specifies the length to display upstream. The default is 100.