From 01e6b21ad07220ce7cdc5bc850e9d5b55d11b953 Mon Sep 17 00:00:00 2001
From: ed <s@ocv.me>
Date: Sat, 10 Feb 2018 20:36:32 +0100
Subject: [PATCH] support ancient bash

TLNote: osx
---
 README.md       | 2 +-
 clients/bash.sh | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 9f3d050..88ef3f3 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ most to least recommended
 | bash   | [mostly internals](clients/bash.sh) |
 | netcat | `nc r0c.int 531` |
 
-you can even `exec 147<>/dev/tcp/r0c.int/531;cat<&147 &while IFS= read -rN1 x;do printf '%s' "$x">&147;done` (disconnect using `exec 147<&-; killall cat #sorry`)
+you can even `exec 147<>/dev/tcp/r0c.int/531;cat<&147 &while IFS= read -rn1 x;do [[ "x$x" == "x" ]] && x=$'\n'; printf '%s' "$x">&147;done` (disconnect using `exec 147<&-; killall cat #sorry`)
 
 ## firewall rules
 
diff --git a/clients/bash.sh b/clients/bash.sh
index d54a5d7..e26d6b8 100755
--- a/clients/bash.sh
+++ b/clients/bash.sh
@@ -31,8 +31,11 @@ function connect()
 	cat <&147 & cat_pid=$!
 
 	# read keyboard and send each key to the socket
-	while IFS= read -rN1 x
+	while IFS= read -rn1 x
 	do
+		[[ "x$x" == "x" ]] &&
+			x=$'\n'
+		
 		[[ $debug ]] &&
 		{
 			printf '%s' "$x" |