[Koha-bugs] [Bug 7779] tools/letter.pl: scope vars for plack

[bugzilla-daemon at bugs.koha-community.org]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=7779

--- Comment #7 from Dobrica Pavlinusic <dpavlin at rot13.org> ---
I added one paragraph to wiki page, and I'm including it also here for
reference:

Most of the patches are simple changes which change scoping of variables used
within subs inside *.pl files. This is needed because pack wraps each CGI
script into sub. While this approach may seem like a cludge, as we are creating
global variables this doesn't affect CGI since all variables are released on
end of request. In case of plack, this will increase in-memory size of plack a
little bit, but it's simplest way (IMHO :-) to get code running on plack while
preserving compatibility with CGI execution of Koha.

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