--- layout: default title: Command Line --- # Command Line Markdown can be converted at the command line using the `./bin/commonmark` script. ## Usage ```bash ./bin/commonmark [OPTIONS] [FILE] ``` - `-h`, `--help`: Shows help and usage information - `--enable-em`: Disable `<em>` parsing by setting to `0`; enable with `1` (default: `1`) - `--enable-strong`: Disable `<strong>` parsing by setting to `0`; enable with `1` (default: `1`) - `--use-asterisk`: Disable parsing of `*` for emphasis by setting to `0`; enable with `1` (default: `1`) - `--use-underscore`: Disable parsing of `_` for emphasis by setting to `0`; enable with `1` (default: `1`) If no file is given, input will be read from STDIN. Output will be written to STDOUT. ## Examples ### Converting a file named document.md ```bash ./bin/commonmark document.md ``` ### Converting a file and saving its output ```bash ./bin/commonmark document.md > output.html ``` ### Converting from STDIN ```bash echo -e '# Hello World!' | ./bin/commonmark ``` ### Converting from STDIN and saving the output ```bash echo -e '# Hello World!' | ./bin/commonmark > output.html ```