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https://issues.apache.org/jira/browse/MWRAPPER-123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Slawomir Jaranowski updated MWRAPPER-123:
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Component/s: Maven Wrapper Scripts
> only-mvnw fails on ksh printf implementations
> ---------------------------------------------
>
> Key: MWRAPPER-123
> URL: https://issues.apache.org/jira/browse/MWRAPPER-123
> Project: Maven Wrapper
> Issue Type: Bug
> Components: Maven Wrapper Scripts
> Affects Versions: 3.1.1
> Reporter: Benjamin Marwell
> Assignee: Benjamin Marwell
> Priority: Urgent
> Fix For: 3.3.0
>
>
> the script {{only-mvnw}} contains this snippet in a line to calculate a hash:
> {code:bash}
> printf %d "'$str"
> {code}
> The idea is to convert {{$str}} to a number, where {{'}} has a special
> meaning for {{%d}} conversion. However, there is a major problem with it:
> It does not work on any ksh (and maybe other shells, too), because the
> behaviour of this conversion is undefined:
> https://pubs.opengroup.org/onlinepubs/9699919799/functions/printf.html
> Instead, just do a conversion char-by-char.
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