Allow changing nicknames + minor fixes.

README.md

@@ -17,7 +17,7 @@ Available commands:
 
 * I: Calls the editor (from VISUAL variable, if unset EDITOR is used. If both unset vi is used) and send the message if it is not empty.
 
-* i: Send the next string from stdout
+* i: Send the next string from stdout.
 
 * L: Ask the server for current chat buffer's length.
 
@@ -29,9 +29,11 @@ Available commands:
 
 * q: Exit.
 
-* e: Toggle encryption
+* e: Toggle encryption.
 
 * E: Set encryption password. (Can also be set via "DOBROHO_VECHORA_ENCRYPTION_PASSWORD" environment variable.)
 
+* n: Change nickname.
+
 
 Client prints "?" on unknown commands.

dobroho_vechora.bash

@@ -16,7 +16,10 @@ print_usage() {
 [ -z "${port}" ] && print_usage 'No port given.'
 [ -z "${5}" ]    || print_usage 'Too many arguments.'
 
+on_nick_set() {
 	[ -z "${nick}" ] || nick="<${nick}> "
+}
+on_nick_set
 
 open_socket() {
 	exec 3<> "/dev/tcp/${ip}/${port}"
@@ -115,7 +118,7 @@ wait_for_messages() {
 length=0
 enc=0
 while :; do
-	read cmd
+	read -r cmd
 	case "${cmd}" in
 		I)
 			tmp="$(mktemp)"
@@ -124,7 +127,7 @@ while :; do
 			rm "${tmp}"
 			;;
 		i)
-			read a
+			read -r a
 			send_message 0"${nick}$(echo "${a}" | encrypt)"
 			;;
 		L)
@@ -151,7 +154,7 @@ while :; do
 			exit
 			;;
 		E)
-			read -s DOBROHO_VECHORA_ENCRYPTION_PASSWORD
+			read -r -s DOBROHO_VECHORA_ENCRYPTION_PASSWORD
 			export DOBROHO_VECHORA_ENCRYPTION_PASSWORD
 			;;
 		e)
@@ -167,6 +170,10 @@ while :; do
 				echo 0
 			fi
 			;;
+		n)
+			read -r nick
+			on_nick_set
+			;;
 		*)
 			echo '?'
 			;;