# wiggle > A patch application tool resolving conflicts in patches that `patch` cannot handle. > Note: Wiggle forcefully applies all changes, merging when conflicts arise, and reporting unresolvable issues. > More information: . - Apply changes from the patch file to the original file: `wiggle {{path/to/my_patch.patch}}` - Apply changes to the output file: `wiggle {{path/to/my_patch.patch}} {{[-o|--output]}} {{path/to/output_file.txt}}` - Take any changes in `file.rej` that could not have been applied and merge them into a file: `wiggle {{[-r|--replace]}} {{path/to/file}} {{path/to/file.rej}}` - Extract one branch of a patch or merge file: `wiggle {{[-x|--extract]}} {{path/to/my_patch.patch}}` - Apply a patch and save the compared words to the output file: `wiggle {{[-w|--words]}} {{path/to/my_word_patch.patch}} {{[-o|--output]}} {{path/to/word_patched_code.c}}` - Display help about the merge function: `wiggle {{[-m|--merge]}} {{[-h|--help]}}`