John D Pell 2ada414266 plugins/percol: use `_command_exists` ... Addresses bash-it/bash-it#1632 And use `_log_warning`. Alsö, code style cleanup: quote things, handle unbound parameters, &c. Alsö alsö, short-circuit if not installed or inadequate _Bash_ version.		2021-09-24 00:38:54 -07:00
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available	plugins/percol: use `_command_exists`	2021-09-24 00:38:54 -07:00