Add a file cat-ing runner (fun!)

zig/sdl/hello_sdl.zig

    }
};
const FileRunner = struct {
    fn init() Runner {
        return Runner{ .name = "file", .run_always = true, .toArgv = toArgv, .isActive = isActive };
    }
    fn isActive(cmd: []const u8) bool {
        return cmd.len > "file ".len and std.mem.startsWith(u8, cmd, "file ");
    }
    fn toArgv(cmd: []const u8) []const []const u8 {
        // FIXME: replace with choice + selection whenever that is implemented
        _ = std.fmt.bufPrint(&cmd_buf, "find ~/k/the-thing ~/t/zig -type f -name '{s}' | head -n1 | tee /tmp/file-search && ([ \"$(wc -l < /tmp/file-search)\" = \"1\" ] && cat \"$(head -n1 /tmp/file-search)\") || echo \"not found\"\x00", .{cmd["file ".len..]}) catch "???";
        return &[_][]const u8{ "bash", "-c", &cmd_buf };
    }
};
const LogsRunner = struct {
    fn init() Runner {
        return Runner{ .name = "logs", .run_always = true, .toArgv = toArgv, .isActive = isActive };
        HelpRunner.init(),
        ManPageRunner.init(),
        SearchRunner.init(),
        FileRunner.init(),
        LogsRunner.init(),
        QalcRunner.init(),
    };