Added call tag. Updated read tag.

__read.cpp

@@ -1,17 +1,21 @@
 #include "__read.h"
 #include "Exception.h"
+#include <fcntl.h>
+#include <stdio.h>
 
 namespace jet {
    
    __read::__read(coreutils::ZString &in, coreutils::MString &out, Global &global) : Tag(in, out, global) {
       if(!variableDefined(coreutils::ZString("file")))
 	throw coreutils::Exception("file keyword must be specified.");
-      
       if(hasContainer)
-	throw coreutils::Exception("missing / at end of tag definition.");
-
-      // process file request here.
-      
+	throw coreutils::Exception("read tag does not have a container.");
+      fd = open(variables["file"], O_RDONLY);
+      while(len = read(fd, &buffer, sizeof(buffer - 1))) {
+	 buffer[len] = 0;
+	 out << buffer;
+      }      
+      close(fd);      
    }
 
 }