Initial community commit

Src/external_dependencies/openmpt-trunk/include/premake/website/docs/os.outputof.md

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+Runs a shell command and return the output.
+
+```lua
+result, errorCode = os.outputof("command")
+```
+
+### Parameters ###
+
+`command` is a shell command to run.
+
+
+### Return Value ###
+
+The output and error code of the command.
+
+
+### Availability ###
+
+Premake 4.0 or later.
+
+
+### Examples ###
+
+```lua
+-- Get the ID for the host processor architecture
+local proc = os.outputof("uname -p")
+```
+
+
+### See Also ###
+
+* [os.executef](os.executef.md)