die handler
instance check
logging print command
ignore case for instance check
ignore case for instance check
ignore case for instance check
separate run_simple_command and run_command_and_die
log file from cli
file logging
run_simple_command instead of run_command_or_die
run_simple_command instead of run_command_or_die
log4perl_conf_fn command line options
tests for run_command
envfile
use hash::merge for override options