Problem with enscript

[Ryan Schmidt]

On Nov 15, 2018, at 18:21, Dave Horsfall wrote:

> Sierra, latest Macports, GNU Enscript 1.6.6.
> 
> Some time ago I discovered that an upgrade (dunno what) had blown away all my crafted printer definitions, so "enscript" was no longer working; the error is "lpr: The printer or class does not exist".
> 
> I have defined the printer to be "laser-tc" i.e. a laser printer accessed via the USB port on my Time Capsule, and this has worked for ages.
> 
> The "lpr" command itsekf works fine, but when piped from "pr" looks ugly.
> 
> Running "enscript -v" shows nothing useful.
> 
> I tried to move /usr/bin/lpr aside to replace it with a shell script to echo its arguments, but:
> 
>    ozzie:/usr/bin [4]# mv lpr lpr.real
>    mv: rename lpr to lpr.real: Operation not permitted
>    ozzie:/usr/bin [5]# cp lpr lpr.real
>    cp: lpr.real: Operation not permitted
> 
> so I guess the file system is protected somehow (even from root!).

That's called System Integrity Protection. It's a new macOS feature as of OS X 10.11 El Capitan. You cannot modify files installed by Apple unless you turn SIP off, but you should not do that. It is a protection against malware.


> If anyone here is using "enscript" can you please tell me how you got it going?  It worked OK here for years, until as I said all my printer definitions were suddenly blown away (reason unknown).