edit commands supported:
<firstline>,<lastline><edit command>
^^ numeral (17) ^^
or relative (+17, -17)
or a search regexp (/regexp/)
or multiple (17/regexp//regexp/+2)
| Command | Action |
| D | Delete first line in space |
| G | Insert hold space |
| H | Append current space to hold space |
| P | Print current data |
| a<string> | Insert |
| c<string> | Change current space |
| d | Delete current space |
| h | Copy current space to hold space |
| i<string> | Print string |
| l | Print current space |
| p | Print first line in data |
| q | Quit evaluating |
| s/regexp/with/x | Replace |
| y/chars/chars/ | Replace chars |
|
where line is numeral, first 'line'==0