.TH "pfsextractchannels" 1 .SH NAME pfsextractchannels \- Extract selected channels from the stream .SH SYNOPSIS .B pfsextractchannels [ ...] .SH DESCRIPTION Removes all channels from the pfs stream that are not listed in arguments. .SH EXAMPLES .TP pfsin memorial.hdr | pfsextractchannels Y | pfsview View luminance channel of the memorial image. .SH "SEE ALSO" .BR pfsin (1) .BR pfsout (1) .SH BUGS Please report bugs and comments to Rafal Mantiuk .