determine-phred(1) ea-utils: read sam, fastq or pileup and return the phred-scale Section 1 ea-utils bookworm source Description DETERMINE-PHRED NAME determine-phred - ea-utils: read sam, fastq or pileup and return the phred-scale SYNOPSIS determine-phred FILE DESCRIPTION Reads a sam, fastq or pileup, possibly gzipped and returns the phred-scale, either 64 or 33, based on a quick scan of the data in the file.