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64 lines
1.4 KiB
Markdown
64 lines
1.4 KiB
Markdown
# osenv
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Look up environment settings specific to different operating systems.
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## Usage
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```javascript
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var osenv = require('osenv')
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var path = osenv.path()
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var user = osenv.user()
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// etc.
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// Some things are not reliably in the env, and have a fallback command:
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var h = osenv.hostname(function (er, hostname) {
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h = hostname
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})
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// This will still cause it to be memoized, so calling osenv.hostname()
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// is now an immediate operation.
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// You can always send a cb, which will get called in the nextTick
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// if it's been memoized, or wait for the fallback data if it wasn't
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// found in the environment.
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osenv.hostname(function (er, hostname) {
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if (er) console.error('error looking up hostname')
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else console.log('this machine calls itself %s', hostname)
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})
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```
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## osenv.hostname()
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The machine name. Calls `hostname` if not found.
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## osenv.user()
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The currently logged-in user. Calls `whoami` if not found.
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## osenv.prompt()
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Either PS1 on unix, or PROMPT on Windows.
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## osenv.tmpdir()
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The place where temporary files should be created.
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## osenv.home()
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No place like it.
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## osenv.path()
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An array of the places that the operating system will search for
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executables.
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## osenv.editor()
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Return the executable name of the editor program. This uses the EDITOR
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and VISUAL environment variables, and falls back to `vi` on Unix, or
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`notepad.exe` on Windows.
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## osenv.shell()
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The SHELL on Unix, which Windows calls the ComSpec. Defaults to 'bash'
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or 'cmd'.
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