Perl equivalent to Kornshell export command?

Question

I'm working on translating some kornshell to perl and was wondering if there is an equivalent in perl to export

Answer 1

It's very straight-forward. The %ENV hash contains the values of the environment variables keyed by environment variable name. You can set or update an environment variable's value by assigning to %ENV:

$ENV{VARNAME} = "value";

or:

my $varname = "VARNAME";
my $value = "value";
$ENV{$varname} = $value;

You can delete an environment variable in Perl with:

delete $ENV{VARNAME};

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And in ksh this would correspond to "export varname=value"?

These examples are both equivalent to the (Korn, Bash, Bourne) shell notation:

export VARNAME="value"

or, if you're stretching the limits a bit, the second is equivalent to:

varname="VARNAME"
value="value"
export $varname="$value"