mwcontam finds molecular weights that are common between a set of mass spectrometry result files.

Here is a sample session with mwcontam:

% mwcontam
Shows molwts that match across a set of files
Comma separated file list: mw1.dat,mw2.dat,mw3.dat
ppm tolerance [50.0]:
Output file [outfile.mwcontam]:

Mandatory qualifiers:

[-files] (filelist)

Comma-separated file list.

-tolerance (float)

ppm tolerance.

[-outfile] (outfile)

Output filename.