From 344d54629a3e2cddfd78d52a83afcef1c8c6e0aa Mon Sep 17 00:00:00 2001
From: CyberLeo <cyberleo@cyberleo.net>
Date: Sun, 5 Jan 2014 05:50:38 -0600
Subject: [PATCH] Eliminate scary eval and sed invocation

---
 flag | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/flag b/flag
index 38cbd4a..0f3c38d 100755
--- a/flag
+++ b/flag
@@ -76,7 +76,8 @@ fi
 
 # Now we definitely have flag_hex
 firstchar() {
-  eval $(echo -n "${data}" | sed -e 's/^\(.\)\(.*\)$/char="\1" data="\2"/g')
+  char="$(printf '%c' "${data}")"
+  data="${data##${char}}"
 }
 
 hexdec() {
-- 
2.42.0