pathmatch

#!/usr/bin/env python

# pathmatch: Search for a string in $PATH
# usage pathmatch pattern [pattern ...]
# e.g. if you're looking for volume control, pathmatch mix vol
# will show you all programs in your path that incorporate "mix" or "vol"
# anywhere in their names.
#
# Copyright 2003,2011 by Akkana Peck.
# Share and enjoy under the terms of the GPL v2 or later.

import sys, string, os, types

def getMatchingFiles(pat, files) :
    matches = []
    lc = string.lower(pat)
    for fil in range(0, len(files)) :
        #print "Looking for", lc, "in", files[fil]
        callfile = string.lower(files[fil])
        if (string.find(callfile, lc) >= 0) :
            matches.append(files[fil])
    return matches

def findPatInPath(pat, pathdirs) :
    """Return a set of files in the path matching the pattern"""
    matchprogs = set([])
    for dir in pathdirs :
        try :
            progs = os.listdir(dir)
        except OSError as e:
            continue
        matches = getMatchingFiles(pat, progs)
        for prog in matches :
            # Only add it if it's an executable file:
            fullpath = os.path.join(dir, prog)
            if not os.access(fullpath, os.X_OK) :
                continue
            if os.path.isdir(fullpath) :
                continue
            matchprogs.add(prog)

    return matchprogs

# main()

pathdirs = string.split(os.environ["PATH"], ":")

for argp in range(1, len(sys.argv)) :
    progs = list(findPatInPath(sys.argv[argp], pathdirs))
    progs.sort()
    for p in progs :
        print(p)