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Problem when `opendir($dir)` returns `false` and then while cycle adds many empty strings which produce in the end ``` /etc/freeswitch/tls /etc/freeswitch/tls/ /etc/freeswitch/tls// /etc/freeswitch/tls/// /etc/freeswitch/tls//// /etc/freeswitch/tls///// /etc/freeswitch/tls////// /etc/freeswitch/tls/////// ```
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