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spawn-default-shell

2.0.0 • Public • Published

spawn-default-shell

Spawn shell command with platform default shell

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Like child_process.spawn with shell: true option but a bit more convenient and customizable. You can just pass the command as a string, and it will be executed in the platform default shell. Used in concurrently.

// If we are in Linux / Mac, this will work
const defaultShell = require('spawn-default-shell');
const child = defaultShell.spawn('cat src/index.js | grep function');
Platform Command
Windows cmd.exe /c "...". If COMSPEC env variable is defined, it is used as shell path.
Mac /bin/bash -l -c "..."
Linux /bin/sh -l -c "..."

You can always override the shell path by defining these two environment variables:

  • SHELL=/bin/zsh
  • SHELL_EXECUTE_FLAGS=-l -c Warning: execute flag must be the last flag.

All sh variants will be called with -l flag (--login). It invokes the shell as a non-interactive login shell. In bash it means:

When bash is invoked as an interactive login shell, or as a non-inter- active shell with the --login option, it first reads and executes commands from the file /etc/profile, if that file exists. After reading that file, it looks for ~/.bash_profile, ~/.bash_login, and ~/.profile, in that order, and reads and executes commands from the first one that exists and is readable. The --noprofile option may be used when the shell is started to inhibit this behavior.

When a login shell exits, bash reads and executes commands from the file ~/.bash_logout, if it exists.

Install

npm install spawn-default-shell --save

API

.spawn(command, [opts])

Spawns a new process of the platform default shell using the given command.

For all options, see child_process documentation.

License

MIT

install

npm i spawn-default-shell

Downloadsweekly downloads

11,837

version

2.0.0

license

MIT

homepage

github.com

repository

Gitgithub

last publish

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