/usr/bin/exiqgrep version [unknown] calling Getopt::Std::getopts (version 1.15 [paranoid]),
running under Perl version 5.44.0.

Usage: exiqgrep [-OPTIONS [-MORE_OPTIONS]] [--] [PROGRAM_ARG1 ...]

The following single-character options are accepted:
	With arguments: -f -r -y -o -s -C -G -E
	Boolean (without arguments): -h -z -x -l -i -b -R -c -a

Options may be merged together.  -- stops processing of options.
Space is not required between options and their arguments.
  [Now continuing due to backward compatibility and excessive paranoia.
   See 'perldoc Getopt::Std' about $Getopt::Std::STANDARD_HELP_VERSION.]
Exim message queue display utility.

	-h		This help message.
	-C		Specify which exim.conf to use.
	-E		Specify exim binary to use.

Selection criteria:
	-f <regexp>	Match sender address sender (field is "< >" wrapped)
	-r <regexp>	Match recipient address
	-s <regexp>	Match against the size field from long output
	-y <seconds>	Message younger than
	-o <seconds>	Message older than
	-z		Frozen messages only (exclude non-frozen)
	-x		Non-frozen messages only (exclude frozen)
	-G <queuename>	Match in given queue only

[ NB: for regexps, provided string sits in /<string>/ ]

Display options:
	-c		Display match count
	-l		Long Format [Default]
	-i		Message IDs only
	-b		Brief Format
	-R		Reverse order
	-a		All recipients (including delivered)