wssh: Connection status on stderr.

w4it-for-port-open/w4it-for-port-open

@@ -1,11 +1,11 @@
 #!/bin/bash
 
-QUIET=false
+quiet=false
 
 while getopts ":q" opt; do
     case $opt in
 	q)
-	    QUIET=true
+	    quiet=true
 	    shift
 	    ;;
 	\?)
@@ -14,38 +14,36 @@ while getopts ":q" opt; do
     esac
 done
 
-HOST=$1
-PORT=$2
+host=$1
+port=$2
 
-NC=$( which nc )
+nc=$( which nc )
 
 usage () {
-  echo "Usage:"
-  echo "  $0 host [port]"
-  echo "  port defaults to 22 (ssh)"
-  exit 1
+    (
+	echo "Usage:" 
+	echo "  $0 host [port]"
+	echo "  port defaults to 22 (ssh)"
+    ) >&2
+    exit 1
 }
 
 print_not_reachable () {
-    if $QUIET; then
-	true skip
-    else
-	echo -n .
-    fi
+    $quiet || echo -n . >&2
 }
 
 is_port_open () {
-    $NC -z -w 2 $HOST $PORT 2>&1
+    $nc -z -w 2 $host $port >&2
     return $?
 }
 
-if [ -z "$HOST" ] ; then
+if [ -z "$host" ] ; then
   usage
 fi
-if [ -z "$PORT" ] ; then
-  PORT=22
+if [ -z "$port" ] ; then
+  port=22
 fi
-if [ -z "$NC" ] ; then
+if [ -z "$nc" ] ; then
   echo "Error, 'nc' not installed."
   exit 2
 fi
@@ -54,4 +52,4 @@ while ! is_port_open ; do
   sleep 1
   print_not_reachable
 done
-echo
+echo >&2

wssh/wssh

@@ -72,7 +72,7 @@ get_options_from_array(\@ARGV,[]);
 my $host = shift @ARGV;
 @ARGV=("ssh",@argv);
 $host =~ s/.*\@//;
-print $host;
+print STDERR $host;
 system("w4it-for-port-open $host 22");
 exec @ARGV;