Data update

Task/Hello-world-Line-printer/Lua/hello-world-line-printer.lua

@@ -0,0 +1,7 @@
+require "io"
+
+lp = io.open("/dev/lp0", 'w')
+
+io.output(lp)
+io.write("Hello World\n")
+io.close(lp)

Task/Hello-world-Line-printer/Wren/hello-world-line-printer-1.wren

@@ -1,7 +0,0 @@
-/* Hello_world_Line_printer.wren */
-
-class C {
-    foreign static lprint(s)
-}
-
-C.lprint("Hello World!")

Task/Hello-world-Line-printer/Wren/hello-world-line-printer-2.wren

@@ -1,62 +0,0 @@
-/* gcc Hello_world_Line_printer.c -o Hello_world_Line_printer -lwren -lm */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "wren.h"
-
-/* C <=> Wren interface functions */
-
-void C_lprint(WrenVM* vm) {
-    const char *arg = wrenGetSlotString(vm, 1);
-    char command[strlen(arg) + 13];
-    strcpy(command, "echo \"");
-    strcat(command, arg);
-    strcat(command, "\" | lp");
-    system(command);
-}
-
-WrenForeignMethodFn bindForeignMethod(
-    WrenVM* vm,
-    const char* module,
-    const char* className,
-    bool isStatic,
-    const char* signature) {
-    if (strcmp(module, "main") == 0) {
-        if (strcmp(className, "C") == 0) {
-            if (isStatic && strcmp(signature, "lprint(_)") == 0)  return C_lprint;
-        }
-    }
-    return NULL;
-}
-
-static void writeFn(WrenVM* vm, const char* text) {
-    printf("%s", text);
-}
-
-char *readFile(const char *fileName) {
-    FILE *f = fopen(fileName, "r");
-    fseek(f, 0, SEEK_END);
-    long fsize = ftell(f);
-    rewind(f);
-    char *script = malloc(fsize + 1);
-    fread(script, 1, fsize, f);
-    fclose(f);
-    script[fsize] = 0;
-    return script;
-}
-
-int main(int argc, char **argv) {
-    WrenConfiguration config;
-    wrenInitConfiguration(&config);
-    config.writeFn = &writeFn;
-    config.bindForeignMethodFn = &bindForeignMethod;
-    WrenVM* vm = wrenNewVM(&config);
-    const char* module = "main";
-    const char* fileName = "Hello_world_Line_printer.wren";
-    char *script = readFile(fileName);
-    WrenInterpretResult result = wrenInterpret(vm, module, script);
-    wrenFreeVM(vm);
-    free(script);
-    return 0;
-}

Task/Hello-world-Line-printer/Wren/hello-world-line-printer.wren

@@ -0,0 +1,3 @@
+import "os" for Process
+
+Process.exec("echo \"Hello World!\" | lpr")