Added automatic adding username after first successuf login

unic_connect.sh

@@ -5,14 +5,15 @@
 # EDITED  : 19-07-2017 
 # COMMENT : This script creates tunnels for Unicredit servers in DMZ
 #           Use it for your own risk! 
-# VERSION : 1.3
+# VERSION : 2.1
 ########################################################### 
 #
 #CHANGELOG 
 # Version 1.0: 19-07-2017 - Changed the code 
 # - Added better variables checking
 # - Changed users's array creating 
-# - Function added 
+# - Function added
+# - Added automatic adding username after first successuf login 
 user=""
 #Defining some colours for fun )))
 RED='\033[0;31m'
@@ -24,21 +25,18 @@ eval `ssh-agent -s`
 ssh-add
 
 #Ask user for username
-if [ -z "$user"] ; then
-    echo "Username not defined in script, asking for username!"
-    read -p "Enter your username like PertrovPP:" user
-else
-   echo "Username defined! Trying to connect..."
-fi 
-
-#Cheking username for ssh connection and if good then add it to script variables
-statusssh=$(ssh -o BatchMode=yes -o ConnectTimeout=5 -p 10022 $user@tunnel01.rbtechnologies.ru echo ok 2>&1)
-if [[ $statusssh == ok ]] ; then
-  echo "Adding username $user for future use in script"
-  sed -i -e 's/user=nrk/user='$user'/g' $0
-else
-  echo other_error
+if [ -z "$user" ] ; then
+  echo "Username not defined in script, asking for username!"
+  read -p "Enter your username like PertrovPP:" user
+  statusssh=$(ssh -o BatchMode=yes -o ConnectTimeout=5 -p 10022 $user@tunnel01.rbtechnologies.ru echo ok 2>&1) 
+    if [[ $statusssh == ok ]] ; then
+      echo "Adding username $user for future use in script"
+      sed -i -e '0,/user=""/s/user=""/user='$user'/' $0
+    else
+      echo "Username defined! Trying to connect..."
+    fi 
 fi
+#Cheking username for ssh connection and if good then add it to script variables
 
 
 
@@ -63,6 +61,3 @@ fi
 done
 
 exit 0
-
-
-