Execute a system command: Difference between revisions
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→{{header|Wren}}: Minor tidy
(Updated with more modern example) |
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=={{header|FutureBasic}}==
FB 7.0.23+
Classic FB using Pascal strings▼
<syntaxhighlight lang="futurebasic">
print unix(@"ls -A")
</syntaxhighlight>
▲Classic FB using Pascal strings
<syntaxhighlight>
local fn DoUnixCommand( cmd as str255 )
open "Unix", 2, cmd
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{{output}}
<pre>
2023
January February March
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
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Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 1 2 3 4 5 1 2
2 3 4 5 6 7 8 6
9 10 11 12 13 14 15 13 14 15 16 17 18 19 10 11 12 13 14 15 16
16 17 18 19 20 21 22 20 21 22 23 24 25 26 17 18 19 20 21 22 23
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29 30 31 26 27 28 29 30 24 25 26 27 28 29 30
31
</pre>
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However, if Wren is embedded in (say) a suitable Go program, then we can ask the latter to do it for us.
<syntaxhighlight lang="
class Command {
foreign static exec(name, param) // the code for this is provided by Go
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which we embed in the following Go program and run it.
{{libheader|WrenGo}}
<syntaxhighlight lang="go">/*
package main
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func main() {
vm := wren.NewVM()
fileName := "
methodMap := wren.MethodMap{"static exec(_,_)": execCommand}
classMap := wren.ClassMap{"Command": wren.NewClass(nil, nil, methodMap)}
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