1 files changed, 30 insertions, 0 deletions
diff --git a/rdiff-backup/misc/find2dirs b/rdiff-backup/misc/find2dirs
new file mode 100755
index 0000000..9d919d3
--- /dev/null
+++ b/rdiff-backup/misc/find2dirs
@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+
+from __future__ import generators
+import sys, os, stat
+
+def usage():
+	print "Usage: find2dirs dir1 dir2"
+	print
+	print "Given the name of two directories, list all the files in both, one"
+	print "per line, but don't repeat a file even if it is in both directories"
+	sys.exit(1)
+
+def getlist(base, ext = ""):
+	"""Return iterator yielding filenames from directory"""
+	if ext: yield ext
+	else: yield "."
+
+	fullname = os.path.join(base, ext)
+	if stat.S_ISDIR(stat.S_IFMT(os.lstat(fullname)[stat.ST_MODE])):
+		for subfile in os.listdir(fullname):
+			for fn in getlist(base, os.path.join(ext, subfile)): yield fn
+
+def main(dir1, dir2):
+	d = {}
+	for fn in getlist(dir1): d[fn] = 1
+	for fn in getlist(dir2): d[fn] = 1
+	for fn in d.keys(): print fn
+
+if not len(sys.argv) == 3: usage()
+else: main(sys.argv[1], sys.argv[2])