Best of the Newsgroups: xtod vs. lponlcr : stairstepping printers printing

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From: Bela Lubkin <belal@caldera.com>
Subject: Re: xtod vs: lponlcr
Date: Wed, 27 Nov 2002 18:11:37 GMT
References: <m18H6GV-0002PKC@cactus.com> 

Jeff Hyman wrote:

>     I have a customer that is having a stair-stepping output issue
> to the printer.  I am not new to this problem and even have a FAQ
> on the topic. My question has to do with command '/usr/lib/lponlcr' 
> which I am not familar with.  I have no 'man' pages on this command. 
> I am most interested in finding out how it compares to what 'xtod' does... 
> if they are even comparable commands.
> 
> # lp -dprinter_name  ascii_file 
> # cat ascii_file | lp -dprinter_name
> # cat ascii_file | xtod | lp -dprinter_name
> # cat ascii_file | /usr/lib/lponlcr | lp -dprinter_name

`xtod` and `lponlcr` are very similar.  xtod's source is more
complicated because it responds to the name you run it under (xtod or
dtox).  lponlcr is _really_ simple.  Aside from a ridiculous copyright
statement about how holy and confidential this stuff is, it's just:

  #include <stdio.h>
  
  main()
  {
          register int c;
  
          while ((c=getchar()) != EOF) {
                  if (c == '\n')
                          putchar('\r');
                  putchar(c);
          }
  }

xtod also: takes an optional single filename to read from instead of
stdin; and appends a control-Z (DOS EOF marker) to the end of the
output.

I believe DOS Merge comes with another set of these utilities, and VP/ix
probably did, and quite a number of utilities have an embedded ability
to do CRLF translation along with something else they're doing (e.g.
`ftp`).  It's a very frequent problem for Unix users, so the wheel has
been reinvented many times.

>Bela<
 

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