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19.7. Copying or Moving a File

19.7.3. Discussion

On Unix, rename( ) can't move files across filesystems. To do so, copy the file to the new location and then delete the old file:

if (copy("/tmp/code.c","/usr/local/src/code.c")) {
  unlink("/tmp/code.c");
}

If you have multiple files to copy or move, call copy( ) or rename( ) in a loop. You can operate only on one file each time you call these functions.



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