<[EMAIL PROTECTED]> wrote: [snipped]
> For example, after installing a new extension, I change in compreg.dat > > lines such as: > > abs:J:\Firefox\Firefox_Data\Profiles\default.uyw\extensions\{0538E3E3-7E9B-4d49-8831-A227C80A7AD3}\components\nsForecastfox.js,1111185900000 > abs:J:\Firefox\Firefox_Data\Profiles\default.uyw\extensions\{c4dc572a-3295-40eb-b30f-b54aa4cdc4b7}\components\wml-service.js,1114705020000 > > to: > > rel:nsForecastfox.js,1111185900000 > rel:wml-service.js,1114705020000 Try this: import re from fileinput import FileInput regex = re.compile(r'^abs:.*\\(.+)$') input = FileInput(filename) unparsed = [] for line in input: try: print regex.match(line).group(1) except: unparsed.append(input.filelineno()) print line print "Unparsed lines:", ','.join(map(str,unparsed)) George -- http://mail.python.org/mailman/listinfo/python-list