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List:       jakarta-commons-dev
Subject:    [jira] Commented: (LANG-469) Commons-lang StringUtils head, tail
From:       "Henri Yandell (JIRA)" <jira () apache ! org>
Date:       2009-02-28 21:00:12
Message-ID: 431046496.1235854812828.JavaMail.jira () brutus
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    [ https://issues.apache.org/jira/browse/LANG-469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12677722#action_12677722 \
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Henri Yandell commented on LANG-469:
------------------------------------

My main concern with head and tail are that they bake in the newline concept. I agree \
that they're semantically nice, but there's an unwritten agreement on what a 'line' \
is there.

Implementation wise, I think it's the same as:

StringUtils.join( ArrayUtils.subarray( StringUtils.split("\n"), 0, 3 ), "\n" )

I'm pondering whether these fit better in WordUtils; though that's more a lesson that \
WordUtils should have been TextUtils - namely a class that understands that a \
string's structure has meaning.

---

I like indexOfNth as a name. Those methods seem useful.


> Commons-lang StringUtils head, tail and indexOfNth (with patch)
> ---------------------------------------------------------------
> 
> Key: LANG-469
> URL: https://issues.apache.org/jira/browse/LANG-469
> Project: Commons Lang
> Issue Type: Improvement
> Reporter: Kalecser Pasquali Kurtz
> Priority: Minor
> Fix For: 3.0
> 
> Attachments: StringUtils_head_tail_indexofnth.diff
> 
> 
> Hello commons developers,
> I would like to propose the addition of these four methods to StringUtils class:
> public static String head(final String str, int lines)
> public static String tail(String str, int lines)
> public static int indexOfNth(String str, String searchStr, int occurrence)
> public static int lastIndexOfNth(String str, String searchStr, int occurrence)

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