And if it is, it leaves you hanging. So really, the options are 

perl -MMath::GMP -e1
perl "use Math::GMP   (cmd)
perl 'use Math::GMP'  (sh)

[download]

Mine's actually shorter by one (cmd) or the same length (sh). Actually, I tend to use the following so it tells me what version is installed if it is: 

perl "use Math::GMP 99

[download]

In reply to Re^3: successfull Installed module vanished by ikegami
in thread successfull Installed module vanished by BluePerl

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