mwfilter is designed to remove unwanted (noisy) data from mass spectrometry output in proteomics.

Here is a sample session with mwfilter:

% mwfilter
Filter noisy molwts from mass spec output
Input file: molwts.dat
ppm tolerance [50.0]:
Output file [molwts.mwfilter]:

Mandatory qualifiers:

[-infile] (infile)

Molecular weight file input.

-tolerance (float)

ppm tolerance.

[-outfile] (outfile)

Output filename.

Optional qualifiers:

-showdel (boolean)

Output deleted molecular weights.

Advanced qualifiers:

-datafile (string)

Data file of noisy molecular weights.