Data update

Task/Record-sound/Wren/record-sound-1.wren

@@ -1,39 +0,0 @@
-/* Record_sound.wren */
-
-class C {
-    foreign static getInput(maxSize)
-
-    foreign static arecord(args)
-
-    foreign static aplay(name)
-}
-
-var name = ""
-while (name == "") {
-    System.write("Enter output file name (without extension) : ")
-    name = C.getInput(80)
-}
-name = name + ".wav"
-
-var rate = 0
-while (!rate || !rate.isInteger || rate < 2000 || rate > 192000) {
-    System.write("Enter sampling rate in Hz (2000 to 192000) : ")
-    rate = Num.fromString(C.getInput(6))
-}
-var rateS = rate.toString
-
-var dur = 0
-while (!dur || dur < 5 || dur > 30) {
-    System.write("Enter duration in seconds (5 to 30)        : ")
-    dur = Num.fromString(C.getInput(5))
-}
-var durS = dur.toString
-
-System.print("\nOK, start speaking now...")
-// Default arguments: -c 1, -t wav. Note only signed 16 bit format supported.
-var args = ["-r", rateS, "-f", "S16_LE", "-d", durS, name]
-C.arecord(args.join(" "))
-
-System.print("\n'%(name)' created on disk and will now be played back...")
-C.aplay(name)
-System.print("\nPlay-back completed.")

Task/Record-sound/Wren/record-sound-2.wren

@@ -1,102 +0,0 @@
-#include <stdio.h>
-#include <stdio_ext.h>
-#include <stdlib.h>
-#include <string.h>
-#include "wren.h"
-
-void C_getInput(WrenVM* vm) {
-    int maxSize = (int)wrenGetSlotDouble(vm, 1) + 2;
-    char input[maxSize];
-    fgets(input, maxSize, stdin);
-    __fpurge(stdin);
-    input[strcspn(input, "\n")] = 0;
-    wrenSetSlotString(vm, 0, (const char*)input);
-}
-
-void C_arecord(WrenVM* vm) {
-    const char *args = wrenGetSlotString(vm, 1);
-    char command[strlen(args) + 8];
-    strcpy(command, "arecord ");
-    strcat(command, args);
-    system(command);
-}
-
-void C_aplay(WrenVM* vm) {
-    const char *name = wrenGetSlotString(vm, 1);
-    char command[strlen(name) + 6];
-    strcpy(command, "aplay ");
-    strcat(command, name);
-    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, "getInput(_)") == 0) return C_getInput;
-            if (isStatic && strcmp(signature, "arecord(_)") == 0)  return C_arecord;
-            if (isStatic && strcmp(signature, "aplay(_)") == 0)    return C_aplay;
-        }
-    }
-    return NULL;
-}
-
-static void writeFn(WrenVM* vm, const char* text) {
-    printf("%s", text);
-}
-
-void errorFn(WrenVM* vm, WrenErrorType errorType, const char* module, const int line, const char* msg) {
-    switch (errorType) {
-        case WREN_ERROR_COMPILE:
-            printf("[%s line %d] [Error] %s\n", module, line, msg);
-            break;
-        case WREN_ERROR_STACK_TRACE:
-            printf("[%s line %d] in %s\n", module, line, msg);
-            break;
-        case WREN_ERROR_RUNTIME:
-            printf("[Runtime Error] %s\n", msg);
-            break;
-    }
-}
-
-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.errorFn = &errorFn;
-    config.bindForeignMethodFn = &bindForeignMethod;
-    WrenVM* vm = wrenNewVM(&config);
-    const char* module = "main";
-    const char* fileName = "Record_sound.wren";
-    char *script = readFile(fileName);
-    WrenInterpretResult result = wrenInterpret(vm, module, script);
-    switch (result) {
-        case WREN_RESULT_COMPILE_ERROR:
-            printf("Compile Error!\n");
-            break;
-        case WREN_RESULT_RUNTIME_ERROR:
-            printf("Runtime Error!\n");
-            break;
-        case WREN_RESULT_SUCCESS:
-            break;
-    }
-    wrenFreeVM(vm);
-    free(script);
-    return 0;
-}

Task/Record-sound/Wren/record-sound.wren

@@ -0,0 +1,20 @@
+import "os" for Process
+import "./ioutil" for Input
+
+var name = Input.text("Enter output file name (without extension) : ", 1, 80)
+name = name + ".wav"
+
+var rate = Input.integer("Enter sampling rate in Hz (2000 to 192000) : ", 2000, 192000)
+var rateS = rate.toString
+
+var dur = Input.number("Enter duration in seconds (5 to 30)        : ", 5, 30)
+var durS = dur.toString
+
+System.print("\nOK, start speaking now...")
+// Default arguments: -c 1, -t wav. Note only signed 16 bit format supported.
+var args = ["-r", rateS, "-f", "S16_LE", "-d", durS, name]
+Process.exec("arecord", args)
+
+System.print("\n'%(name)' created on disk and will now be played back...")
+Process.exec("aplay %(name)")
+System.print("\nPlay-back completed.")