[ 
http://issues.apache.org/jira/browse/DERBY-1447?page=comments#action_12418637 ] 

John H. Embretsen commented on DERBY-1447:
------------------------------------------

This would be a nice feature to add to ij. However...

I know that emacs users already have a work-around for this, and I consider 
using JLine to be another work-around, being an extension/wrapper around 
Derby/ij. I think it would be better to have some command line history 
functionality in ij itself, than to include an external jar in the derby 
repository. IMHO, we should rather document this work-around somewhere (wiki / 
manuals), along with the emacs work-around and possibly others. 

I know that implementing this functionality in ij requires some more work, but 
just adding a command line history should be easier than implementing all the 
features provided by JLine (such as tab completion, line editing, custom 
keybindings, character masking), while adding great value to ij.

Besides, JLine is not 100% Java...
http://jline.sourceforge.net/#faq_pure_java


> add command line history to ij
> ------------------------------
>
>          Key: DERBY-1447
>          URL: http://issues.apache.org/jira/browse/DERBY-1447
>      Project: Derby
>         Type: Improvement

>   Components: Tools
>     Reporter: Gary Orser
>     Priority: Minor
>  Attachments: jline-0_9_5.jar, jline.diff
>
> Using the command line tool 
> org.apache.derby.tools.ij
> is user unfriendly.

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