Add --no-act option

1 files changed, 7 insertions, 1 deletions

diff --git a/dupfiles b/dupfiles
index 951cbb2..ad189a8 100755
--- a/dupfiles
+++ b/dupfiles
@@ -203,6 +203,9 @@ class Dupfiles(cliapp.Application):
         self.settings.boolean(['progress'], 'report progress')
         self.settings.boolean(['remove'],
                               'remove all but one copy of identical files')
+        self.settings.boolean(['no-act', 'dry-run', 'pretend'],
+                              'do not really remove, just report what would '
+                                'be removed')
 
     def process_args(self, args):
         dupfinder = DuplicateFileFinder(self.settings['progress'])
@@ -236,7 +239,10 @@ class Dupfiles(cliapp.Application):
     def remove_all_but_one(self, duplicates):
         keep = duplicates.pop()
         for pathname in duplicates:
-            os.remove(pathname)
+            if self.settings['no-act']:
+                self.output.write('rm %s\n' % pathname)
+            else:
+                os.remove(pathname)
 
     def report(self, duplicates):
         sys.stdout.write('\n'.join(duplicates))