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$ cd $HOME
$ mkdir localperl
...
$ perl -v
This is perl 5, version 38, subversion 0 (v5.38.0) built for x86_64-li
+nux
...

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$ cpan App::cpanminus 2>&1 | tee inst-cpanminus.tmp

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$ corelist Module::Signature
Module::Signature was not in CORE (or so I think)
...
Building and testing Module-Signature-0.87 ... OK
Successfully installed Module-Signature-0.87
2 distributions installed

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$ cpanm --from https://www.cpan.org/ --verify Roman 2>&1 | tee Roman.t
+mp
--> Working on Roman
...
Building and testing Roman-1.24 ... OK
Successfully installed Roman-1.24
1 distribution installed

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$ cpanm --uninstall Roman
Roman contains the following files:
...
Unlink: $HOME/localperl/lib/site_perl/5.38.0/x86_64-linux/auto/Roman/.
+packlist

Successfully uninstalled Roman

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# Use my locally built perl 5.38.0
PATH="$HOME/localperl/bin:$PATH"