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Full Discussion: How do I redirect output from "find", either to a file or another command?
Top Forums UNIX for Beginners Questions & Answers How do I redirect output from "find", either to a file or another command? Post 303043866 by arghvark on Sunday 9th of February 2020 01:12:41 PM
Old 02-09-2020
This looks more or less like what I need, but I need some help parsing it. When I try to execute the command in the root directory, it says I don't have access, which is fair.

I think of the ">" symbol as "redirect output to a file, I'll tell you what the filename is". I think of "|" as "take this output and feed it into another program", which doesn't require a filename. I can tell that "2" and "1" represent stdout and stderr; is there a way to direct them both to the pipe, instead of the file? AFAIK, I/we don't have to first direct output to a file and then to grep, and in fact I don't know that it will work that way.
 

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LEARN ABOUT SUSE

psmandup

PSMANDUP(1)								FSF							       PSMANDUP(1)

NAME

       psmandup - print duplex on non duplex printers

SYNOPSIS

       psmandup FILE

DESCRIPTION

       Tries to produce a version of the PostScript FILE to print in manual Duplex.

OPTIONS

       -h, --help
	      display this help and exit

       -v, --version
	      display version information and exit

       -q, --quiet
	      don't print informational messages

       -o, --output=FILE
	      save result in FILE.  If FILE is `-', send to stdout

       -n, --no-fix
	      don't call fixps to fix PS problems in FILE

       -f, --front
	      output only the front pages (recto) on the regular tray

       -b, --back
	      output only the back pages (verso) on the manual feed tray

       Produced output is meant for PS level 2 printers which don't support Duplex printing, but support Manual Feed.  Once the first set of pages
       is printed (odd pages), manual feed is asked: introduce the odd pages to print the even pages on the other side.

       Because there is usually a short time out for manually fed jobs, you should really be next to the printer.  If ever the time  out  expired,
       use the option -b to send only the missing part.

       Environment variables FIXPS, PSSELECT and PSSET, if defined, are used to find the tools.

       News, updates and documentation: http://www.inf.enst.fr/~demaille/a2ps/

AUTHOR

       Written by Akim Demaille.

REPORTING BUGS

       Report bugs to <bug-a2ps@gnu.org>

COPYRIGHT

       Copyright (C) 1998-1999 Akim Demaille, Miguel Santana
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

SEE ALSO

       a2ps(1), card(1), fixps(1), pdiff(1), psset(1), texi2dvi4a2ps(1).

       The full documentation for psmandup is maintained as a Texinfo manual.  If the info and psmandup programs are properly  installed  at  your
       site, the command

	      info psmandup

       should give you access to the complete manual.

psmandup 2.1 (GNU a2ps 4.13)					     July 2010							       PSMANDUP(1)
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