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From "Edward Capriolo (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-120) Add readline support/support for alt-based commands in the CLI
Date Tue, 22 Jan 2013 22:14:13 GMT

    [ https://issues.apache.org/jira/browse/HIVE-120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13560100#comment-13560100
] 

Edward Capriolo commented on HIVE-120:
--------------------------------------

+1 love it. Every java project I work with uses jline which does not line wrap stuff right.
In most things it does not matter but with hive and long queries it reall really sucks.
                
> Add readline support/support for alt-based commands in the CLI
> --------------------------------------------------------------
>
>                 Key: HIVE-120
>                 URL: https://issues.apache.org/jira/browse/HIVE-120
>             Project: 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.
> http://web.mit.edu/gnu/doc/html/rlman_1.html

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