Index: tables.c
===================================================================
--- tables.c	(revision 54029)
+++ tables.c	(working copy)
@@ -415,6 +415,8 @@
 	(void)fclose(tabptr);
     } else {
 	int ret;
+	FILE *outFile;
+	struct bu_mapped_file *inFile;
 
 	fprintf(tabptr, "* 9999999\n* 9999999\n* 9999999\n* 9999999\n* 9999999\n");
 	(void)fclose(tabptr);
@@ -434,15 +436,22 @@
 		bu_log("WARNING: sort failure detected\n");
 	}
 	bu_vls_printf(gedp->ged_result_str, "%V\n", &cmd);
-
-	bu_vls_trunc(&cmd, 0);
-	bu_vls_strcpy(&cmd, catcmd);
-	bu_vls_strcat(&cmd, argv[1]);
-	bu_vls_printf(gedp->ged_result_str, "%V\n", &cmd);
-	ret = system(bu_vls_addr(&cmd));
-	if (ret != 0)
-	    bu_log("WARNING: cat failure detected\n");
-
+	inFile = bu_open_mapped_file(argv[1], (char *)NULL);
+	if (!inFile) {
+	    bu_vls_printf(gedp->ged_result_str, "Cannot open temporary file %s\n", argv[1]);
+	    return GED_ERROR;
+	}
+	outFile = fopen("/tmp/ord_id\0", "a");
+	if (!outFile) {
+	    bu_vls_printf(gedp->ged_result_str, "Cannot open temporary file %s\n", "/tmp/ord_id");
+	    return GED_ERROR;
+	}
+	currptr = (const char *)(inFile->buf);
+	for (i = 0; i < inFile->buflen; i++) {
+	    fputc(*(currptr + i),outFile);
+	}
+	bu_close_mapped_file(inFile);
+	fclose(outFile);
 	bu_file_delete("/tmp/ord_id\0");
     }