Init

libs/evdev/capture_out.zig

@@ -0,0 +1,31 @@
+//! Capture stdout and write it into the <file>.
+//! Usage: capture_out <file> <command> [args...]
+
+const std = @import("std");
+
+pub fn main() !void {
+    const allocator = std.heap.page_allocator;
+
+    var arg_iter = std.process.args();
+    defer arg_iter.deinit();
+
+    _ = arg_iter.next();
+    const outpath = arg_iter.next() orelse unreachable;
+
+    var args = std.ArrayList([]const u8).init(allocator);
+    defer args.deinit();
+    while (arg_iter.next()) |arg| try args.append(arg);
+
+    const res = try std.process.Child.run(.{
+        .allocator = allocator,
+        .argv = args.items,
+        .max_output_bytes = std.math.maxInt(usize),
+    });
+
+    var out = try std.fs.cwd().createFile(outpath, .{});
+    defer out.close();
+    try out.writeAll(res.stdout);
+    try std.io.getStdErr().writer().writeAll(res.stderr);
+
+    std.process.exit(res.term.Exited);
+}