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Full Discussion: Hide output of a certain file on print
Top Forums UNIX for Beginners Questions & Answers Hide output of a certain file on print Post 303035754 by joonisio on Sunday 2nd of June 2019 07:39:34 AM
Old 06-02-2019
Hide output of a certain file on print
Im trying to print /etc/passwd with a variable connecting to /etc group/
But when im trying to print the output, /etc/group is printing also. Can i ask for help on what command to use
so it will ignore /etc/group and only print /etc/passwd.

here's the sample script. pages number and the /10 entry line pages should be used also.

Code:
 awk -F":" -v A=$(wc -l < /etc/passwd) '
    BEGIN   {
            NUM_PAGES=A/10+1
            print "--------------------------------------------------"
            printf "%-20s %-20s %-3s\n","USERNAME","GUID","DIRECTORY"
            print "--------------------------------------------------"
            }

   !(NR%10) {
             PAGE++
             printf "--- Page %d of %d ---",PAGE,NUM_PAGES
             getline rc < "-"; system("tput cuu1")
            }

   (NR==FNR){
            B[$3]=$1
            next } $4 in B { $4=B[$4]
            }


            { printf "%-20s %-20s %-3s\n", $1, $4, $7 }

' /etc/group /etc/passwd

 

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LEARN ABOUT SUSE

mknetid

MKNETID(8)						       NIS Reference Manual							MKNETID(8)

NAME

       mknetid - generate data for netid map

SYNOPSIS

       /usr/lib/yp/mknetid [-q] [-h hosts] [-p passwd] [-g group] [-d domain] [-n netid]

       /usr/lib/yp/mknetid --version

DESCRIPTION

       mknetid generates the netid.byname NIS map from the contents of the group(5), passwd(5), hosts(5) and netid files. It checks for multiple
       entrys of netids and warn for them or filters them out. It is only called by /var/yp/Makefile when rebuilding the NIS map.

OPTIONS

       -q
	   This flag turns on 'quiet' mode, don't print a warning message when finding an duplicate netid entry.

       -h hosts
	   The -h flag can be used to specify the use of another hosts file than the default /etc/hosts.

       -p passwd
	   The -p flag can be used to specify the use of another passwd file than the default /etc/passwd.

       -g group
	   The -g flag can be used to specify the use of another group file than the default /etc/group.

       -n netid
	   The -n flag can be used to specify the use of another netid file than the default /etc/netid.

       -d domain
	   The mknetid command uses the system domainname by default. If it is not set or you whish to override it, you must use the -d parameter.

       --version
	   Prints the version number

FILES

       /etc/group
	   groups file

       /etc/hosts
	   hosts database

       /etc/netid
	   netname database

       /etc/passwd
	   password file

SEE ALSO

       passwd(8), group(5), hosts(5), passwd(5)

AUTHOR

       mknetid was written by Thorsten Kukuk <kukuk@linux-nis.org>.

NIS Reference Manual						    09/26/2007								MKNETID(8)
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