refactoring changes from sequpgrade (endReturn, ...) and some modernizations

seqs/ssh.sh

@@ -20,7 +20,7 @@ step_3_alias() { echo "create"; }
 step_3() {
   exep "ssh-keygen -l -f $toolIdentity 2>>/dev/null"
   if [ $? -eq 0 ]; then
-    echo " [I] Using key found at $toolIdentity."
+    info "Using key found at $toolIdentity."
     return 0
   fi
   exe ssh-keygen -b 4096 -t rsa -C "$(hostname)" -N "" -f $(realpath $toolIdentity)
@@ -70,7 +70,7 @@ step_5() {
   exe ssh-copy-id -p ${sshPort} ${sshOption} ${sshHost}
 }
 
-step_10_info() { 
+step_10_info() {
   echo "Send command(ssh)/file(scp) list to remote(s)"
   echoinfo "[USER:HOST] and [PORT] are overwritten by \"host\" command from <CMDLIST>"
 }
@@ -105,7 +105,7 @@ step_10() {
 #   STRING2   h - port
 #             f - destination file path
 #             c - not used
-#   
+#
 #   OPTIONS   h - not used
 #             f - Options passed to scp
 #             c - not used
@@ -160,7 +160,7 @@ parseList() {
         if [ -z "$aHost" ]; then
           errorMsg="No host found"
           saveReturn 1
-        else 
+        else
           exe scp $lopt -P $aPort $lsrc ${aHost}:$ldst
           saveReturn $?
           errorMsg="scp to $aHost failed with $?"