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From "Thomas Lento (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-120) Add readline support/support for alt-based commands in the CLI
Date Thu, 04 Dec 2008 21:50:44 GMT
Add readline support/support for alt-based commands in the CLI

                 Key: HIVE-120
                 URL: https://issues.apache.org/jira/browse/HIVE-120
             Project: Hadoop Hive
          Issue Type: New Feature
          Components: Clients
         Environment: OS X/Terminal, but should affect anyone running bash
            Reporter: Thomas Lento

When I use bash, I can typically navigate using option (alt) based command sequences. For
example, option-f skips forward a word. Option-b skips back. option-d deletes the next word.
option-backspace deletes the previous word.

The Hive2 CLI only recognizes ctrl-based shortcuts. This makes the CLI much more difficult
to use (at least for me, since it looks like a bash terminal and every other program I use
in bash recognizes these alt-based commands). I find it useful to drop in there for a quick
scripting session, but if I make a typo I have to go character by character from either the
beginning (ctrl-a) or end (ctrl-e) of the line. Tedious.

If you could support alt-based commands I'd really appreciate it. If that's not possible,
I'll have to stick with -e or -f, which is rather annoying for other reasons.

Similarly, ctrl+k kills to the end of the line, as expected. Unfortunately, ctrl+y does not
yank the killed text back. Please add support for yanking killed text.

According to Venky, adding Readline support should solve this issue.


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