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Here's an awk version.
This method will also convert mac line endings.
This version prints current votes and commands for a user. Pass the user as an argument. While this technically "fits" as a one liner, it really is easier to look at as a shell script with extra whitespace. :)
The first version printed:
tr: empty string2
The second version printed:
sed: -i may not be used with stdin
Maybe I misunderstood the orginal problem.
If you don't have netcat, you can use curl.
If BREs can be used, this sed version will also get the job done.
The +short option should make dig less chatty.
If you're on a system that doesn't have nl, you can use cat -n.
Tested on MacOS X
Hi glaudiston, you can save a few chars by leaving out cat and pipe and still enjoy the added flexibility.
This version uses host and no ruby.
Requires the date command. This also works with some other comics. Here's a bash script that displays daily Garfield, Id, and Andy Capp:
I wasn't sure how to display the image, so I thought I'd try xml for a different twist.
Not perl but shorter.
For the record: I didn't build this. Just shared what I found that worked. Apologies to the original author!
I decided I should fix the case where http://example.com is not matched for the next time I need this. So I read rfc1035 and formalized the host name regex.
If anyone finds any more holes, please comment.