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use os::exec;
use shlex;
use strings;
use io;
use os;
type generic = struct {
section: section,
cmd: str,
value: str,
};
fn buildgeneric(cmd: str) generic = {
let gen = generic {
section = section {
label = "generic: ",
},
cmd = cmd,
...
};
updategeneric(&gen)!;
return gen;
};
fn updategeneric(gen: *generic) (void | shlex::syntaxerr | exec::error) = {
const spl = shlex::split(gen.cmd)?;
const cmd = exec::cmd(spl[0], spl[1..]...)?;
let pipe = exec::pipe();
exec::addfile(&cmd, os::stdout_file, pipe.1);
let proc = exec::start(&cmd)?;
io::close(pipe.1)!;
let data = io::drain(pipe.0)!;
defer free(data);
io::close(pipe.0)!;
exec::wait(&proc)!;
gen.value = strings::dup(strings::trim(strings::fromutf8(data)!));
};
fn finishgeneric(gen: *generic) void = {
free(gen.value);
};
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