From 61dcde1920a3017c3561193685cdc147edf9d2f3 Mon Sep 17 00:00:00 2001
From: nidropakshin2 <mishail2313@yandex.ru>
Date: Thu, 13 Mar 2025 11:23:52 +0300
Subject: [PATCH] redirecting in/out to files using flags

---
 source/interpr.d | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/source/interpr.d b/source/interpr.d
index b7d2477..903e31f 100644
--- a/source/interpr.d
+++ b/source/interpr.d
@@ -42,6 +42,33 @@ int main (string [] args)
 			pos += 1;
 			steps = args[pos].to !(int);
 		}
+		else if (args[pos] == "-i") 
+		{	
+			pos += 1;
+			try 
+			{
+				auto input = File(args[pos], "r");
+				stdin = input;
+			}
+			catch (Exception e)
+			{
+				stderr.writefln("Cannot find input file \"%s\", using stdin", args[pos]);
+			}
+			
+		}
+		else if (args[pos] == "-o") 
+		{
+			pos += 1;
+			try 
+			{
+				auto output = File(args[pos], "w");
+				stdout = output;
+			}
+			catch (Exception e)
+			{
+				stderr.writefln("Cannot find output file \"%s\", using stdout", args[pos]);
+			}
+		}
 		else
 		{
 			fileName = args[pos];