From d2d4ad0c27a134bec1d1ff376e697e45f01048d9 Mon Sep 17 00:00:00 2001
From: 6543 <6543@obermui.de>
Date: Tue, 5 Jan 2021 01:34:31 +0100
Subject: [PATCH] bash version

---
 1337 | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100755 1337

diff --git a/1337 b/1337
new file mode 100755
index 0000000..5d6e2b2
--- /dev/null
+++ b/1337
@@ -0,0 +1,19 @@
+#/bin/bash
+
+function 1337() {
+  echo $@ | tr '[:upper:]' '[:lower:]' | \
+  sed 's/l/1/g' | \
+  sed 's/e/3/g' | \
+  sed 's/t/7/g' | \
+  sed 's/a/4/g' | \
+  sed 's/o/0/g' | \
+  sed 's/s/5/g' | \
+  sed 's/and\ /\&\ /g'
+}
+
+opt="$@"
+[ -n "$opt" ] && 1337 "$opt" && exit
+
+while read stdin; do
+  1337 "$stdin"
+done