.TH FASTQ-GREP 1

.SH NAME
fastq-qualadj - adjust quality scores by a fixed offset

.SH SYNOPSIS
.B fastq-grep [OPTION]... OFFSET [FILE]...

.SH DESCRIPTION
The given offset is added to each and every quality score, where the offset may
be negative. This helps in converting from one scale to another. For example, to
convert reads in Phred+64 (Illumina 1.3) scale to the Phred+33 scale, on offset
of -31 can be specified.

One ore more FILEs may be specified, otherwise input is read from standard input.
Input files may be gziped.

.SH OPTIONS
.TP
\fB\-h\fR, \fB\-\-help\fR
Output a help message and exit.
.TP
\fB\-V\fR, \fB\-\-version\fR
Output version information and exit.

.SH AUTHOR
Written by Daniel C. Jones <dcjones@cs.washington.edu>