From 96d3d3b0fe9b2d76cfc16f09ae28ef7a29247707 Mon Sep 17 00:00:00 2001
From: Eli Youngs <eli.m.youngs@gmail.com>
Date: Sun, 18 Dec 2022 22:55:49 -0800
Subject: [PATCH] sed: Perform case insensitive substitutions with "/i"

---
 Userland/Utilities/sed.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Userland/Utilities/sed.cpp b/Userland/Utilities/sed.cpp
index c481139161..d25dd969a7 100644
--- a/Userland/Utilities/sed.cpp
+++ b/Userland/Utilities/sed.cpp
@@ -90,6 +90,8 @@ static ErrorOr<SubstitutionCommand> parse_command(StringView command)
         } else if (flag == "g"sv) {
             // Allow multiple matches per line by un-setting the SingleMatch flag
             options &= ~PosixFlags::SingleMatch;
+        } else if (flag == "i"sv || flag == "I"sv) {
+            options |= PosixFlags::Insensitive;
         } else {
             warnln("sed: Unsupported flag: {}", flag);
         }