[Nottingham] Shell programming

[Martin]

Simon Huggins wrote:
[...]
> 
> Not commands but I've started using !!$ and !!$:t a lot now in bash.
> 
> !!$ means the last argument from the last command.
> !!$:t means the filename from the last argument from the last command.
> 
> See man bash for more details but it's useful when you edit something
> and then want to do something with the file you were editing.
> 
> You can also do stuff like:
> $ vim /foo/bar/baz
> $ ls something_else
> ls: something_else: No such file or directory
> $ !vim:$
> ls /foo/bar/baz				(bash actually prints this to
> 					stdout before running it)
> ls: /foo/bar/baz: No such file or directory
> 
> And if you're really showing off:
> $ ls /foo/bar/baz
> ls: /foo/bar/baz: No such file or directory
> $ ls !!$:s/foo/wibble/
> ls /wibble/bar/baz
> ls: /wibble/bar/baz: No such file or directory
> 
> I mostly only remember !!$ and !!$:t though as they're the most useful
> to me but there's a lot you can do with bash's history and event magic.


You must have been listening very carefully in my first bash hints 'n' 
tips talk!

 From the second talk, see:
http://shoe.bocks.com/nlug/2004-Feb/4511.html


And my latest tweaked tips file "/etc/profile.d/mlbashtips.sh" is 
attached for anyone interested.

Cheers,
Martin


-- 
----------------
Martin Lomas
martin at ml1.co.uk
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