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Full Discussion: displaying output in a table.
Top Forums Shell Programming and Scripting displaying output in a table. Post 302092077 by sanchopansa on Friday 6th of October 2006 10:39:53 AM
Old 10-06-2006
displaying output in a table.
Hello,

I've just finished my first script (about displaying open ports on the computer and who opened them) and everything is fine with it but I want to style it a little bit just for the sake of learning how to do this.
What I want to do is make the display like the one of ps, for example, i.e make it look like a table:

Code:
port         process              files
port1        pr1                    #of files   
port2

I've tried setting the port process and files with awk '{print "process" "port"}' and manipulating the FS but it is way not I wanted to achieve. Could anyone outline me the process of creating a table? Or even redirect me to some good reference on the web because I couldn't find one except for the Gawk variables but I can't figure it out from there.
Here is my source in case it would be easier for you this way:
Code:
#!/bin/bash
echo
echo This script will find all the open ports on a computer.
echo It will also show the process that has opened each one and the number of files opened per process.
echo
echo

showProcesses()
{
	netstat -atuv | awk '{print $4}' > ports.list
	lsof -i < ports.list | awk 'NR>1{print $1}'
}

showNumberOfFiles()
{
	lsof -i < ports.list | awk 'NR>1{print $2}' > files.list
	while read pid; do
	lsof -p $pid | awk '{print $1}' > numberoffiles.list
	wc -l < numberoffiles.list
	done < files.list
}

echo Open ports on your computer:
echo

netstat -tuv | awk 'NR>2{print $4}'

echo
echo
echo Processes on each port:
echo

showProcesses

echo
echo
echo Number of files per process:
echo

showNumberOfFiles

Last edited by rbatte1; 07-07-2016 at 06:37 AM.. Reason: Code tags to preserve multiple spaces
 

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LEARN ABOUT SUNOS

noecho

echo(3XCURSES)						  X/Open Curses Library Functions					    echo(3XCURSES)

NAME

       echo, noecho - enable/disable terminal echo

SYNOPSIS

       cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib 
       -R /usr/xpg4/lib -lcurses [ library... ]

       c89 [ flag... ] file... -lcurses [ library... ]

       #include <curses.h>

       int echo(void);

       int noecho(void);

DESCRIPTION

       The  echo()  function enables Echo mode for the current screen. The noecho() function disables Echo mode for the current screen. Initially,
       curses software echo mode is enabled and hardware echo mode of the tty driver is disabled. The echo() and noecho() functions control  soft-
       ware echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined.

RETURN VALUES

       Upon successful completion, these functions return OK. Otherwise, they return ERR.

ERRORS

       No errors are defined.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Unsafe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5)

SunOS 5.10							    5 Jun 2002							    echo(3XCURSES)
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