Mercurial > hg > config
view python/lsex.py @ 68:3c1f9b412675
adding some stuff
author | Jeff Hammel <jhammel@mozilla.com> |
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date | Tue, 04 May 2010 08:38:42 -0700 |
parents | f3ab51c79813 |
children | 71576cdc28ab |
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#!/usr/bin/env python import os # make sure duplicate path elements aren't printed twice def ordered_set(alist): seen = set() new = [] for item in alist: if item in seen: continue seen.add(item) new.append(item) return new def lsex(path=None): """ list executable files on the path o path: list of directories to search. if not specified, use system path """ if path is None: # use system path path = ordered_set(os.environ['PATH'].split(':')) executables = [] # add the executable files to the list for i in path: if not os.path.isdir(i): continue files = [ os.path.join(i,j) for j in os.listdir(i) ] files = filter(lambda x: os.access(x, os.X_OK), files) files.sort() # just to make the output pretty executables.extend(files) return executables if __name__ == '__main__': for i in lsex(): print i