Introduction. Values are in italic.
| Param. | $1 | 1st parameter |
[$2] | 2nd parameter, optional | |
| Pipes | stdin | if several input/outputs are possible, these are listed with bullet points:
|
stdout | ||
| Status | 0 | if the user entered a $1 match |
| 1 | otherwise | |
| Globals | ||
| Exit |