Wednesday, November 1, 2017

Silent invocation of gvim on Windows

I have a use case where the optimal tool for my need is gvim as I don't have access to anything more suitable in the context. I am trying to invoke gvim as a process to perform a replacement (no shell or batch based invocation).

The arguments I am passing (which are simply string joined with a space) are:

string[] arguments =
{
"-N",
"-u",
"NONE",
"-i",
"NONE",
"-n",
"-es",
"-c",
"\"%s/.*foo.*/bar/g | w\"",
@"x:\path\to\file"
};

The replacement is performed as expected, however the return code is 1. Is that by design, or as a result of something I have done incorrectly? The facility performing the invocation checks for a non zero return code and it would be desirable for that to be the case when a genuine error has occurred.

Thanks

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