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@putnamhill, no need if statement in that case.
&& is a AND and || is a OR
There are 6 alternatives - vote for the best!
If you can do better, submit your command here.
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@sputnick, thanks for the && tip. This came from a script of mine that includes an else clause. Does look much cleaner with the and construct.
poor man's nmap...nice!
nc is absolutely not a poor mans nmap. If anything, nmap is a wrapper for a watered down netcat.
Things netcat can do, which nmap cannot.
#1 Assist in hard drive cloning across the network.
#2 Be a telnet server
#3 Be a chat server
#4 Transfer files
#5 Be a web server
#6 Proxy dns requests
#7 Proxy ssh requests
...