Bash tool --help

Registered by Daniel Nichter

The --help for Bash tools isn't quite like that of Perl tools. We should make Bash tool --help as close to Perl tool --help as reasonable:

1. Indention
2. No extra blank lines
3. Print default value
4. List of options and current values (summary at end)

These features where implemented in the course of https://blueprints.launchpad.net/percona-toolkit/+spec/redesign-pt-stalk

Blueprint information

Status:
Complete
Approver:
None
Priority:
Undefined
Drafter:
None
Direction:
Needs approval
Assignee:
None
Definition:
Superseded
Series goal:
None
Implementation:
Unknown
Milestone target:
None
Completed by
Daniel Nichter

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