Truncate a file: Difference between revisions

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   Cannot open file "<File name with full path>. The system cannot find the file specified.
 =={{header|Elena}}==
-ELENA 3.4:
+ELENA 4.x:
-<lang elena>import system'io.
+<lang elena>import system'io;
-import extensions.
+import extensions;
-extension<File> fileOp
+extension fileOp : File
 {
-    set length:len
+    set Length(int len)
-    [
+    {
-        auto stream := FileStream openForEdit:self.
+        auto stream := FileStream.openForEdit(self);
-        stream length := len.
+        stream.Length := len;
-        stream close.
+        stream.close()
-    ]
+    }
 }
-public program
+public program()
+{
-[
-    if (program_arguments length != 3)
+    if (program_arguments.Length != 3)
-        [  console printLine:"Please provide the path to the file and a new length". AbortException new; raise ].
+        { console.printLine:"Please provide the path to the file and a new length"; AbortException.raise() };
-    auto file := File new(program_arguments[1]).
+    auto file := File.assign(program_arguments[1]);
-    var length := program_arguments[2] toInt.
+    var length := program_arguments[2].toInt();
-    ifnot (file isAvailable)
+    ifnot(file.Available)
-        [ console printLine("File ",file," does not exist"). AbortException new; raise ].
+        { console.printLine("File ",file," does not exist"); AbortException.raise() };
-    file length := length.
+    file.Length := length
-]</lang>
+}</lang>
 =={{header|Erlang}}==