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@ -2,7 +2,7 @@ |
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<!--type=misc--> |
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Node.js comes with a wide variety of CLI options. These options expose built-in |
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Node.js comes with a variety of CLI options. These options expose built-in |
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debugging, multiple ways to execute scripts, and other helpful runtime options. |
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To view this documentation as a manual page in your terminal, run `man node`. |
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@ -24,37 +24,58 @@ _For more info about `node debug`, please see the [debugger][] documentation._ |
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## Options |
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### `-v`, `--version` |
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<!-- YAML |
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added: v0.1.3 |
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--> |
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Print node's version. |
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### `-h`, `--help` |
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<!-- YAML |
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added: v0.1.3 |
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--> |
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Print node command line options. |
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The output of this option is less detailed than this document. |
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### `-e`, `--eval "script"` |
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<!-- YAML |
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added: v0.5.2 |
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--> |
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Evaluate the following argument as JavaScript. |
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### `-p`, `--print "script"` |
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<!-- YAML |
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added: v0.6.4 |
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--> |
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Identical to `-e` but prints the result. |
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### `-c`, `--check` |
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<!-- YAML |
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added: v4.2.0 |
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--> |
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Syntax check the script without executing. |
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### `-i`, `--interactive` |
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<!-- YAML |
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added: v0.7.7 |
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--> |
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Opens the REPL even if stdin does not appear to be a terminal. |
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### `-r`, `--require module` |
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<!-- YAML |
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added: v1.6.0 |
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--> |
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Preload the specified module at startup. |
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@ -63,48 +84,75 @@ rules. `module` may be either a path to a file, or a node module name. |
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### `--no-deprecation` |
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<!-- YAML |
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added: v0.8.0 |
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--> |
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Silence deprecation warnings. |
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### `--trace-deprecation` |
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<!-- YAML |
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added: v0.8.0 |
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--> |
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Print stack traces for deprecations. |
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### `--throw-deprecation` |
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<!-- YAML |
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added: v0.11.14 |
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--> |
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Throw errors for deprecations. |
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### `--trace-sync-io` |
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<!-- YAML |
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added: v2.1.0 |
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--> |
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Prints a stack trace whenever synchronous I/O is detected after the first turn |
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of the event loop. |
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### `--zero-fill-buffers` |
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<!-- YAML |
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added: v4.5.0 |
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--> |
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Automatically zero-fills all newly allocated [Buffer][] and [SlowBuffer][] |
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instances. |
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### `--track-heap-objects` |
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<!-- YAML |
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added: v2.4.0 |
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--> |
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Track heap object allocations for heap snapshots. |
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### `--prof-process` |
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<!-- YAML |
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added: v4.4.0 |
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--> |
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Process v8 profiler output generated using the v8 option `--prof`. |
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### `--v8-options` |
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<!-- YAML |
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added: v0.1.3 |
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--> |
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Print v8 command line options. |
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### `--tls-cipher-list=list` |
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<!-- YAML |
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added: v4.0.0 |
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--> |
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Specify an alternative default TLS cipher list. (Requires Node.js to be built |
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with crypto support. (Default)) |
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@ -123,6 +171,9 @@ Force FIPS-compliant crypto on startup. (Cannot be disabled from script code.) |
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### `--icu-data-dir=file` |
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<!-- YAML |
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added: v0.11.15 |
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--> |
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Specify ICU data load path. (overrides `NODE_ICU_DATA`) |
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@ -130,11 +181,17 @@ Specify ICU data load path. (overrides `NODE_ICU_DATA`) |
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## Environment Variables |
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### `NODE_DEBUG=module[,…]` |
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<!-- YAML |
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added: v0.1.32 |
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--> |
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`','`-separated list of core modules that should print debug information. |
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### `NODE_PATH=path[:…]` |
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<!-- YAML |
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added: v0.1.32 |
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--> |
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`':'`-separated list of directories prefixed to the module search path. |
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@ -142,17 +199,26 @@ _Note: on Windows, this is a `';'`-separated list instead._ |
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### `NODE_DISABLE_COLORS=1` |
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<!-- YAML |
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added: v0.3.0 |
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--> |
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When set to `1` colors will not be used in the REPL. |
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### `NODE_ICU_DATA=file` |
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<!-- YAML |
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added: v0.11.15 |
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--> |
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Data path for ICU (Intl object) data. Will extend linked-in data when compiled |
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with small-icu support. |
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### `NODE_REPL_HISTORY=file` |
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<!-- YAML |
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added: v3.0.0 |
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--> |
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Path to the file used to store the persistent REPL history. The default path is |
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`~/.node_repl_history`, which is overridden by this variable. Setting the value |
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