SCons User Guide 1.1.0
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14.4. Updating the Modification Time of a File: The Touch Factory

If you just need to update the recorded modification time for a file, use the Touch factory: 


      Command("file.out", "file.in",
              [
                Copy("$TARGET", "$SOURCE"),
                Touch("$TARGET"),
              ])

Which executes as: 


      % scons -Q
      Copy("file.out", "file.in")
      Touch("file.out")
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Moving (Renaming) Files or Directories: The Move FactoryUpCreating a Directory: The Mkdir Factory