2022-11-21 05:52:11 +08:00
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# Construct a callable value for the external program `$program`. Example:
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#
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# ```elvish-transcript
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# ~> var x = (external man)
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# ~> $x ls # opens the manpage for ls
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# ```
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#
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# @cf has-external search-external
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fn external {|program| }
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2022-11-21 05:52:11 +08:00
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# Test whether `$command` names a valid external command. Examples (your output
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# might differ):
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#
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# ```elvish-transcript
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# ~> has-external cat
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# ▶ $true
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# ~> has-external lalala
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# ▶ $false
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# ```
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#
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# @cf external search-external
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2022-11-22 22:13:25 +08:00
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fn has-external {|command| }
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2022-11-21 05:52:11 +08:00
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# Output the full path of the external `$command`. Throws an exception when not
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# found. Example (your output might vary):
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#
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# ```elvish-transcript
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# ~> search-external cat
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# ▶ /bin/cat
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# ```
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#
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# @cf external has-external
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2022-11-22 22:13:25 +08:00
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fn search-external {|command| }
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2022-11-21 05:52:11 +08:00
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2022-11-26 18:39:53 +08:00
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# Replace the Elvish process with an external `$command`, defaulting to
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# `elvish`, passing the given arguments. This decrements `$E:SHLVL` before
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# starting the new process.
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#
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# This command always raises an exception on Windows with the message "not
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# supported on Windows".
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fn exec {|command? @args| }
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2022-11-21 05:52:11 +08:00
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# Exit the Elvish process with `$status` (defaulting to 0).
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2022-11-22 22:13:25 +08:00
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fn exit {|status?| }
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