# sdiff > Compare the differences between and optionally merge 2 files. > More information: . - Compare 2 files: `sdiff {{path/to/file1}} {{path/to/file2}}` - Compare 2 files, ignoring all tabs and whitespace: `sdiff {{[-W|--ignore-all-space]}} {{path/to/file1}} {{path/to/file2}}` - Compare 2 files, ignoring whitespace at the end of lines: `sdiff {{[-Z|--ignore-trailing-space]}} {{path/to/file1}} {{path/to/file2}}` - Compare 2 files in a case-insensitive manner: `sdiff {{[-i|--ignore-case]}} {{path/to/file1}} {{path/to/file2}}` - Compare and then merge, writing the output to a new file: `sdiff {{[-o|--output]}} {{path/to/merged_file}} {{path/to/file1}} {{path/to/file2}}`