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-rwxr-xr-xrencon38
1 files changed, 38 insertions, 0 deletions
diff --git a/rencon b/rencon
new file mode 100755
index 0000000..a84ea09
--- /dev/null
+++ b/rencon
@@ -0,0 +1,38 @@
+#!/usr/bin/env python
+
+import os
+import sys
+from string import Template
+import argparse
+import hashlib
+
+if __name__ == "__main__":
+ parser = argparse.ArgumentParser(description='Rename files based on content.')
+
+ parser.add_argument('files', metavar='FILE', type=str, nargs='+',
+ help='Files to rename')
+ parser.add_argument('-m', '--mask', nargs='?',
+ help='File destination mask', default='${hash}.${ext}')
+ parser.add_argument('-p', '--pretend', action='store_true',
+ help='Do not rename, just print')
+
+ args = parser.parse_args()
+ print 'Renaming with mask: %s' % args.mask
+ mask = Template(args.mask)
+ for f in args.files:
+ if not os.path.exists(f):
+ print >>sys.stderr, 'File %s does not exists.' % f
+ else:
+ with open(f) as fp:
+ h = hashlib.sha1(fp.read()).hexdigest()
+ ext = os.path.splitext(f)[1][1:]
+ name = mask.substitute(hash=h, ext=ext)
+ dest = os.path.join(os.path.dirname(f), name)
+ if os.path.basename(f) == name:
+ print 'OK %s' % name
+ else:
+ print "`%s' -> `%s'" % (f, dest)
+ if os.path.exists(dest):
+ print >>sys.stderr, 'Destination %s already exists.' % dest
+ elif not args.pretend:
+ os.rename(f, dest)