[NaCl SDK] make example Makefiles quiet by default

native_client_sdk/src/tools/oshelpers.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import fnmatch
 import glob
 import optparse
 import os
 import posixpath
@@ skipping 115 matching lines @@
   options, files = parser.parse_args(args)
   if len(files) < 2:
     parser.error('ERROR: expecting SOURCE(s) and DEST.')
 
   srcs = files[:-1]
   dst = files[-1]
 
   src_list = []
   for src in srcs:
     files = glob.glob(src)
-    if len(files) == 0:
+    if not files:
       raise OSError('cp: no such file or directory: ' + src)
     if files:
       src_list.extend(files)
 
   for src in src_list:
     # If the destination is a directory, then append the basename of the src
     # to the destination.
     if os.path.isdir(dst):
       CopyPath(options, src, os.path.join(dst, os.path.basename(src)))
     else:
@@ skipping 105 matching lines @@
       '-f', '--force', dest='force', action='store_true',
       default=False,
       help='force, do not error it files does not exist.')
   options, files = parser.parse_args(args)
   if len(files) < 1:
     parser.error('ERROR: expecting FILE...')
 
   try:
     for pattern in files:
       dst_files = glob.glob(pattern)
-      # Ignore non existing files when using force
-      if len(dst_files) == 0 and options.force:
-        print "rm: Skipping " + pattern
-        continue
-      elif len(dst_files) == 0:
+      if not dst_files:
+        # Ignore non existing files when using force
+        if options.force:
+          continue
         raise OSError('rm: no such file or directory: ' + pattern)
 
       for dst in dst_files:
         if options.verbose:
           print 'rm ' + dst
 
         if os.path.isfile(dst) or os.path.islink(dst):
           for i in range(5):
             try:
               # Check every time, since it may have been deleted after the
@@ skipping 79 matching lines @@
   options, files = parser.parse_args(args)
   if len(files) < 2:
     parser.error('ERROR: expecting ZIPFILE and LIST.')
 
   dest_zip = files[0]
   src_args = files[1:]
 
   src_files = []
   for src_arg in src_args:
     globbed_src_args = glob.glob(src_arg)
-    if len(globbed_src_args) == 0:
+    if not globbed_src_args:
       if not options.quiet:
         print 'zip warning: name not matched: %s' % (src_arg,)
 
     for src_file in globbed_src_args:
       src_file = os.path.normpath(src_file)
       src_files.append(src_file)
       if options.recursive and os.path.isdir(src_file):
         for root, dirs, files in os.walk(src_file):
           for dirname in dirs:
             src_files.append(os.path.join(root, dirname))
@@ skipping 146 matching lines @@
     return 1
   func = FuncMap.get(args[0])
   if not func:
     print 'Do not recognize command: ' + args[0]
     print 'Available commands: %s' % ' '.join(FuncMap)
     return 1
   return func(args[1:])
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))