Indeed /e executes in the replacement part of the s/// operator. Do you happen to know that

site.type=production;

[download]

is valid Perl (5, that is!) code? How so?!?

Incidentally you may use

s/(?<=site.type=)standby/production/gi

[download]

instead.

In reply to Re: substitution using perl -pi -e by blazar
in thread substitution using perl -pi -e by s_gaurav1091

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