--> David Woodfall <d...@dawoodfall.net> [2013-02-06 03:04:41 +0000]:

> On Tue, Feb 05, 2013 at 09:34:54PM -0500, Ed <w...@comcast.net> put forth the 
> proposition:
> >I keep getting this error::
> >
> >sh: 1: lpr: not found
> >
> >but I don't know where it is coming from. In my muttprintrc I have
> >the printer set to hp-psc-1310 which is the system printer and is
> >using CUPS. Its a USB printer, so where is the lpr coming from ?
> >
> >Ed
> 
> lpr is one of the system commands to print. There are also lp and
> lpr-cups IIRC. Maybe you need to specify the print command somewhere?
> 

When you installed cups, it installs its own lp* binaries, usually
under /usr/local. So you need to override the systems default lp*
commands in /usr/bin either by removing thier executable bit or by
putting /usr/local/bin before /usr/bin in your $PATH.

At the shell prompt, do lp <tab><tab> and it will list all the lp*
commands on your system. All my cups commands are in /usr/local/bin
and /usr/local/sbin.

When you installed cups you will have had to set up the printer by
using the local web interface at http://localhost:631 in a browser
and making sure from there, using the admin tool, that your printer
is found and configured as the default printer. Have you done all
of that already? However, I do use a BSD system so my set up will
be different to a Debian system, but the principals of cups and
setting it up are the same.

The command lpr is the correct command to use from the command-line
and any command-line programs like mutt, you just need to point
it/them to the cups lpr instead of the default versions.

In your muttrc, setting $print_command to something like "cups" is
incorrect. It must be set to either a script that deals with the
print commands required or to a print binary installed on your
system, such as set print_command=/usr/local/bin/lpr. I have not
used muttprint before but you should review its documentation on
how to set it up correctly. As I understand it, it's a trivial
thing.

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