<[EMAIL PROTECTED]> writes:
> Question for the C crowd: I have a program which I wish to print an ordered
> text file. In the Linux Programmers Guide, the printer chapter shows how to
> directly talk to the printer port. I'd like to be able to send the text to the
> appropriate printer filter (and spooler). How would one go about doing that?
Send your file to the lpr command. This is easier than it may at
first seem because of the popen command that allows one to open a pipe
as if it were a regular file; for example:
FILE *outputf;
if (should_print) outputf = popen("lpr", "w");
else outputf = fopen(tmpfilename, "w");
Or even:
FILE *outputf;
char buffer[256];
if (should_print) {
sprintf(buffer, "lpr -P%s", printer_name);
outputf = popen(buffer, "w");
} else outputf = fopen(tmpfilename, "w");
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