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This allows output from different packages to be interleaved.\n\n```sh\n$ lerna exec --stream -- babel src -d lib\n```\n\n### `--parallel`\n\nSimilar to `--stream`, but completely disregards concurrency and topological sorting, running a given command or script immediately in all matching packages with prefixed streaming output. This is the preferred flag for long-running processes such as `babel src -d lib -w` run over many packages.\n\n```sh\n$ lerna exec --parallel -- babel src -d lib -w\n```\n\n> **Note:** It is advised to constrain the scope of this command when using\n> the `--parallel` flag, as spawning dozens of subprocesses may be\n> harmful to your shell's equanimity (or maximum file descriptor limit,\n> for example). YMMV\n\n### `--no-bail`\n\n```sh\n# Run a command, ignoring non-zero (error) exit codes\n$ lerna exec --no-bail <command>\n```\n\nBy default, `lerna exec` will exit with an error if _any_ execution returns a non-zero exit code.\nPass `--no-bail` to disable this behavior, executing in _all_ packages regardless of exit code.\n\n### `--no-prefix`\n\nDisable package name prefixing when output is streaming (`--stream` _or_ `--parallel`).\nThis option can be useful when piping results to other processes, such as editor plugins.\n\n### `--profile`\n\nProfiles the command executions and produces a performance profile which can be analyzed using DevTools in a\nChromium-based browser (direct url: `devtools://devtools/bundled/devtools_app.html`). The profile shows a timeline of\nthe command executions where each execution is assigned to an open slot. The number of slots is determined by the\n`--concurrency` option and the number of open slots is determined by `--concurrency` minus the number of ongoing\noperations. The end result is a visualization of the parallel execution of your commands.\n\nThe default location of the performance profile output is at the root of your project.\n\n```sh\n$ lerna exec --profile -- <command>\n```\n\n> **Note:** Lerna will only profile when topological sorting is enabled (i.e. without `--parallel` and `--no-sort`).\n\n### `--profile-location <location>`\n\nYou can provide a custom location for the performance profile output. The path provided will be resolved relative to the current working directory.\n\n```sh\n$ lerna exec --profile --profile-location=logs/profile/ -- <command>\n```\n","engines":{"node":"^14.15.0 || >=16.0.0"},"exports":{".":"./dist/index.js","./lib/*":"./dist/lib/*.js","./command":"./dist/command.js"},"gitHead":"6b50725267b830d5079e6de739ba2fb1cabe5423","license":"MIT","_npmUser":{"name":"jameshenry","email":"npm@jameshenry.email"},"homepage":"https://lerna.js.org","keywords":["lerna","command"],"deprecated":"Package no longer supported. 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