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123456789101112131415161718192021//! This file contains helpers for CLI options.
const std = @import("std");
/// Returns the data file for the given path in a way that is consistent/// across our CLI. If the path is not set then no file is returned./// If the path is "-", then we will return stdin. If the path is/// a file then we will open and return the handle.pub fn dataFile(path_: ?[]const u8) !?std.fs.File { const path = path_ orelse return null;
// Stdin if (std.mem.eql(u8, path, "-")) return .stdin();
// Normal file const file = try std.fs.cwd().openFile(path, .{}); errdefer file.close();
return file;}