How to start Cygwin from outside Cygwin and pass a command to execute?

[David Allsopp]

Ben via cygwin wrote:
> Assume my CgyWin (on a windows 7) is currently NOT started.
> 
> Assume I want to call from Windows my CgyWin and pass a command to 
> execute.
> 
> Afterwards CygWin should automatically be closed again.
> 
> How can I achieve this?

C:\cygwin\bin\bash.exe -c "command"

You will find that successfully navigating the Command Prompt, Cygwin's and "bash -c"'s escaping rules to be entertaining for advanced commands.

You can also achieve similar with mintty.exe -e (which will launch the terminal emulator, instead of using an existing console window, or opening a new one). Similar fun with escaping unusual commands.

See, for example, https://github.com/ocaml/opam/blob/43e4c778/appveyor_build.cmd#L93


David


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