la75of(8) System Manager's Manual la75of(8)
Name
la75of - LA75 dot matrix printer filter
Syntax
/usr/lib/lpdfilters/la75of [-c] [-nlogin] [-hhost] [-wwidth] [-lnum] [-iindent] [accounting file]
Description
The filters text data destined for LA75 compact dot matrix printers. It handles the device dependencies of the printer and performs
accounting functions. As each job completes, the filter writes the accounting records to the file specified by the af field in The can
handle plain ASCII files as well as files that have been preprocessed by nroff. The filter correctly handles nroff control sequences for
underlining, superscripting and subscripting.
You can specify the filter in both the of and the if fields of the file. For further information, see When you specify both fields, the of
filter prints the banner page only; when of stops, the if filter gains access to the printer and maintains accounting information.
If you specify the of field only, the filter prints the banner page then stops and restarts to maintain accounting information.
If you specify the if field only, the banner page is sent directly to the printer. This is not a problem for most impact printers.
For a more detailed discussion on filters see the article, ``Line Printer Spooler Manual'' in the ULTRIX Supplementary Documents, Volume 2:
Programmer.
Options
The arguments passed to the filter depend on its use. The of filter is called with the following arguments:
la75of -wwidth -llength
The width and length values come from the pw and pl fields in the database. The if (or restarted of) filter is passed the following
arguments:
la75of -c -nlogin -hhost -wwidth -lnum -iindent accounting file
The -c flag is optional and is supplied only when control characters are to be printed. That is, when the -l option of is used to
print the file. The -w and -l arguments are the same as for the of filter but might have different values if the -w and/or -z
options of were used to print the file. The -n and -h arguments specify the login name and host name of the job owner. These argu-
ments are used to record accounting information. The -i option specifies the amount of indentation to be used. The last argument
is the name of the accounting file specified from the af field in the database.
Diagnostics
The lf field (default /dev/null) in the database specifies the error logging file name.
Files
Printer capabilities database
See Also
lpr(1), pr(1), printcap(5), lpd(8), MAKEDEV(8), pac(8)
``Line Printer Spooler Manual,'' ULTRIX Supplementary Documents, Volume 2: Programmer
la75of(8)
