Option to print human-readable sizes

README.md

@@ -186,6 +186,7 @@ Get the size of the given directory.
 Available parameters:
 
 *   -r/--recursive: also add sizes of sub-directories recursively.
+*   -H/--human-readable: print sizes in human readable format (eg, 234M, 2.3G).
 
 ## s4cmd Control Options
 

s4cmd.py

@@ -1734,7 +1734,22 @@ def del_handler(self, args):
   def du_handler(self, args):
     '''Handler for size command'''
     for src, size in self.s3handler().size(args[1:]):
-      message('%s\t%s' % (size, src))
+      if self.opt.humanread:
+        if size > 2*1099511627776: # 2^40
+          size_in_units = float(size) / 1099511627776
+          units = 'Tb'
+        elif size > 2*1073741824: # 2^30
+          size_in_units = float(size) / 1073741824
+          units = 'Gb'
+        elif size > 2*1048576: # 2^20
+          size_in_units = float(size) / 1048576
+          units = 'Mb'
+        elif size > 2048:
+          size_in_units = float(size) / 1024
+          units = 'Kb'
+        message('%0.2f %s\t%s' % (size_in_units, units, src))
+      else:
+        message('%s\t%s' % (size, src))
 
   @log_calls
   def _totalsize_handler(self, args):
@@ -1842,6 +1857,9 @@ def main():
       parser.add_option(
           '-r', '--recursive', help='recursively checking subdirectories',
           dest='recursive', action='store_true', default=False)
+      parser.add_option(
+          '-H', '--human-readable', help='print sizes in human readable format (eg, 234M, 2.3G)',
+          dest='humanread', action='store_true', default=False)
       parser.add_option(
           '-s', '--sync-check', help='check file md5 before download or upload',
           dest='sync_check', action='store_true', default=False)