Data update

Task/File-input-output/Nu/file-input-output.nu

@@ -0,0 +1,2 @@
+let text = open "input.txt"
+$text | save "output.txt"

Task/File-input-output/Rust/file-input-output-1.rust

@@ -1,10 +1,4 @@
-use std::fs::File;
-use std::io::{Read, Write};
-
 fn main() {
-    let mut file = File::open("input.txt").unwrap();
-    let mut data = Vec::new();
-    file.read_to_end(&mut data).unwrap();
-    let mut file = File::create("output.txt").unwrap();
-    file.write_all(&data).unwrap();
+    let contents = std::fs::read("input.txt").expect("error reading input.txt");
+    std::fs::write("output.txt", contents).expect("error writing output.txt");
 }

Task/File-input-output/S-BASIC/file-input-output.basic

@@ -0,0 +1,37 @@
+comment
+   Preserve file channel #0 (the console) while declaring channels
+   #2 and #3 as sequential-access ASCII files.
+end
+files d, sa, sa
+var s = string:255
+based errcode = integer
+base errcode at 103H
+
+comment
+   CP/M expects upper case file names, but S-BASIC does not
+   automatically convert file name arguments to upper case, so we
+   have to do that ourself.
+end
+create "OUTPUT.TXT"
+open #1,"INPUT.TXT"
+open #2,"OUTPUT.TXT"
+
+comment
+   S-BASIC allows alphanumeric line "numbers" (which are treated simply
+   as labels) as the target of GOTO and GOSUB statements, but the first
+   character must be a digit
+end
+on error goto 9done
+
+rem - runtime error code 15 signals read past end of file
+while errcode <> 15 do
+  begin
+    input3 #1; s
+    print #2; s
+  end
+
+9done
+close #1
+close #2
+
+end

Task/File-input-output/Uxntal/file-input-output.uxnatl

@@ -0,0 +1,25 @@
+|00 @System &vector $2 &expansion $2 &wst $1 &rst $1 &metadata $2 &r $2 &g $2 &b $2 &debug $1 &state $1
+|10 @Console &vector $2 &read $1 &pad $4 &type $1 &write $1 &error $1
+|a0 @File1 &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
+|b0 @File2 &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
+
+|0100
+    ;in-file .File1/name DEO2
+    ;out-file .File2/name DEO2
+
+    &loop
+        #0100 .File1/length DEO2k POP
+        ;buffer .File1/read DEO2
+        .File1/success DEI2
+
+        .File2/length DEO2k POP
+        ;buffer .File2/write DEO2
+
+        EQU2 ?&loop
+
+    #80 .System/state DEO
+BRK
+
+@in-file "input.txt 00
+@out-file "output.txt 00
+@buffer $100

Task/File-input-output/Zig/file-input-output.zig

@@ -1,16 +1,22 @@
 const std = @import("std");
 
-pub fn main() !void {
-    var in = try std.fs.cwd().openFile("input.txt", .{});
-    defer in.close();
-    var out = try std.fs.cwd().openFile("output.txt", .{ .mode = .write_only });
-    defer out.close();
-    var file_reader = in.reader();
-    var file_writer = out.writer();
-    var buf: [100]u8 = undefined;
-    var read: usize = 1;
-    while (read > 0) {
-        read = try file_reader.readAll(&buf);
-        try file_writer.writeAll(buf[0..read]);
-    }
+pub fn main() (error{OutOfMemory} || std.fs.File.OpenError || std.fs.File.ReadError || std.fs.File.WriteError)!void {
+    var gpa: std.heap.GeneralPurposeAllocator(.{}) = .{};
+    defer _ = gpa.deinit();
+    const allocator = gpa.allocator();
+
+    const cwd = std.fs.cwd();
+
+    var input_file = try cwd.openFile("input.txt", .{ .mode = .read_only });
+    defer input_file.close();
+
+    var output_file = try cwd.createFile("output.txt", .{});
+    defer output_file.close();
+
+    // Restrict input_file's size to "up to 10 MiB".
+    var input_file_content = try input_file.readToEndAlloc(allocator, 10 * 1024 * 1024);
+    defer allocator.free(input_file_content);
+
+    try output_file.writeAll(input_file_content);
+    return;
 }