[dancer-users] Running bin/app.pl with cleaner %ENV

[Lars Dɪᴇᴄᴋᴏᴡ 迪拉斯]

Read <http://man.cx/env>.

Start with empty environment:

    env -i /absolute/path/to/bin/perl -Mautodie=:all \
        -e'exec($^X, "/absolute/path/to/bin/app.pl")'

Empty, but keep certain useful variables:

    env -i PATH=$PATH LANG=$LANG /absolute/path/to/bin/perl \
        -Mautodie=:all -e'exec($^X, "/absolute/path/to/bin/app.pl")'

Delete certain variables, but keep the rest:

    perl -Mautodie=:all -e'
        delete @ENV{qw(LS_COLORS TERM)};
        exec($^X, "/absolute/path/to/bin/app.pl");
    '

All code is untested.
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