| 9 |
|
][ |
| 10 |
|
.B \-l |
| 11 |
|
][ |
| 12 |
+ |
.B \-p |
| 13 |
+ |
][ |
| 14 |
|
.B \-n |
| 15 |
|
][ |
| 16 |
|
.B \-w |
| 68 |
|
.I \-of |
| 69 |
|
options do not require a count, as this will be determined by the |
| 70 |
|
number of output channels in the given expressions. |
| 71 |
+ |
.PP |
| 72 |
+ |
The |
| 73 |
+ |
.I \-p |
| 74 |
+ |
option specifies "passive mode," where characters that do not |
| 75 |
+ |
match the input format are passed unaltered to the output. |
| 76 |
+ |
This option has no effect unless |
| 77 |
+ |
.I \-i |
| 78 |
+ |
is also specified, and does not make much sense unless |
| 79 |
+ |
.I \-o |
| 80 |
+ |
is also given. |
| 81 |
+ |
With both input and output formats, the passive mode can |
| 82 |
+ |
effectively substitute information in the middle of a file |
| 83 |
+ |
or stream without affecting the rest of the data. |
| 84 |
|
.PP |
| 85 |
|
The variable and function definitions in each |
| 86 |
|
.I \-f source |
