deshion

#!/bin/sh
# POSIX

# Reset all variables that might be set
file=
verbose=0 # Variables to be evaluated as shell arithmetic should be initialized to a default or validated beforehand.

while :; do
    case $1 in
        -h|-\?|--help)   # Call a "show_help" function to display a synopsis, then exit.

Khoulaiz

Here are several different ways to test a TCP port without telnet.

BASH (man page)

$ cat < /dev/tcp/127.0.0.1/22
SSH-2.0-OpenSSH_5.3
^C

$ cat &lt; /dev/tcp/127.0.0.1/23

soemarko

<!-- Add the following lines to theme's html code right before </head> -->
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.0/jquery.min.js"></script>
<script src="http://static.tumblr.com/fpifyru/VCxlv9xwi/writecapture.js"></script>
<script src="http://static.tumblr.com/fpifyru/AKFlv9zdu/embedgist.js"></script>

<!--
  Usage: just add <div class="gist">[gist URL]</div>
  Example: <div class="gist">https://gist.github.com/1395926</div>
-->

troy

# usage: redfin-images "http://www.redfin.com/WA/Seattle/123-Home-Row-12345/home/1234567"
function redfin-images() {
 wget -O - $1 | grep "full:" | awk -F \" '{print $4}' | xargs wget -
}