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https://issues.apache.org/jira/browse/GROOVY-6950?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King resolved GROOVY-6950.
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Resolution: Fixed
Fix Version/s: 2.4.7
Proposed PR#341 merged
> StringGroovyMethods improve performance
> ----------------------------------------
>
> Key: GROOVY-6950
> URL: https://issues.apache.org/jira/browse/GROOVY-6950
> Project: Groovy
> Issue Type: Improvement
> Components: groovy-runtime
> Reporter: lwh
> Assignee: Paul King
> Fix For: 2.4.7
>
>
> StringGroovyMethods has many issue:
> 1) Inefficient converting CharSequence to String. If do not convert, the
> method of CharSequence wiil twice faster.
> 2) IOGroovyMethods.readLines is slow, do not use it. readLines use a closue!
> 3) the methods of center/denormalize/expand/pad/strip are Inefficient, there
> is no need creat so many StringBuilders
> I'll fix this (on github) in a few days. Please help me check and merge it.
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