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Full Discussion: Need help with simple script
Special Forums UNIX Desktop Questions & Answers Need help with simple script Post 302861239 by LelandSelene on Tuesday 8th of October 2013 12:00:47 PM
Old 10-08-2013
Need help with simple script
I work for a small internet company, and sometimes its useful to ping a certain IP over an open amount of time. I wrote a simple script that asks what IP you'd like to ping, and then pings it and puts it into a text file so that you can save the results. What i'd like though, is to have an infinite loop that pings and puts it into a text file, and then, after a certain key is pressed, it stops that part of the script and continues on to the next part, that uses Grep, and filters out the pings so that you just get the time, and and the end part of the ping, where it tells you packet loss and such. This is what I have so far. I know it is likely completely wrong, I'm new to this, and this is what I have combining my script and what I think I want from googling how to use user input to end an infinite loop.

Code:
echo 'What IP address would you like to ping?'
read VAR_1
echo "Pinging $VAR_1..."

if [ -t 0 ]; then stty -echo -icanon time 0 min 0; fi

{
count=0
keypress=''
while [ "x$keypress" = "x" ]; do
  echo "
  THE TIME IS: $(date)"
  ping -c 20 $VAR_1
done
} > /home/tyler/Programs/Pinglog\ Results/$VAR_1.txt

if [ -t 0 ]; then stty sane; fi

echo "You pressed '$keypress' after $count loop iterations"
echo "Thanks for using this scipt."

VAR_2=$VAR_12
grep 'TIME\|packet' /home/tyler/Programs/Pinglog\ Results/$VAR_1.txt > $VAR_2.txt

exit 0

Last edited by Scrutinizer; 10-08-2013 at 01:27 PM.. Reason: code tags
 

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LEARN ABOUT DEBIAN

fcping

FCPING(8)							  Open-FCoE Tools							 FCPING(8)

NAME

       fcping - Fibre Channel Ping (ELS ECHO) tool

SYNOPSIS

       fcping [-fqx] [ -i interval ] [ -c count ] [ -s size ] -h source target

       source = interface | MAC | WWPN | FC-ID

       target = -P WWPN | -N WWPN | -F FC-ID

DESCRIPTION

       The  fcping  command  performs the Fibre Channel FC-LS-2 ECHO ELS command and displays the reply. The max payload for fcping is 2108 bytes.
       When no -c is given, fcping will continue until user interrupts.

OPTIONS

       -f
	   Flood ping

       -q
	   Quiet! just print summary

       -x
	   Hex dump of responses

       -i interval
	   Wait interval seconds between each ping

       -c count
	   Stop after sending count pings

       -h source
	   Source is interface like ethX, MAC address, WWPN, or FC-ID

       -s size
	   Byte-length of ping request payload (max 2108)

       -F FC-ID
	   Destination port ID

       -P WWPN
	   Destination world-wide port name

       -N WWNN
	   Destination world-wide node name

EXAMPLES

       Sends ELS ECHO to Port FC-ID 0xbf0027 from interface n0.170 with max 3 pings.

	   fcping -c 3 -h n0.170 -F 0xbf0027

	   sending echo to 0xBF0027
	   echo    1 accepted			    16.170 ms
	   echo    2 accepted			     7.053 ms
	   echo    3 accepted			     6.803 ms
	   3 frames sent, 3 received 0 errors, 0.000% loss, avg. rt time 10.009 ms

       Sends ELS ECHO to WWNN 0x1000001B213C9DDA from interface n0.170 with max 3 pings and payload size 1500 bytes

	   fcping -c 3 -h n0.170 -s 1500 -N 0x1000001B213C9DDA

	   sending echo to 0xBF0027
	   echo    1 accepted			     6.597 ms
	   echo    2 accepted			     6.925 ms
	   echo    3 accepted			    12.419 ms
	   3 frames sent, 3 received 0 errors, 0.000% loss, avg. rt time 8.647 ms

       Sends ELS ECHO to WWNN 0x1000001B213C9DDA from interface n0.170 continuously with payload of 32 bytes and hex-dump the reply to the screen

	   fcping -x -h n0.170 -s 32 -N 0x1000001B213C9DDA

	   sending echo to 0xBF0027
	   echo    1 accepted			     6.937 ms
	   response length 32
		0 02000000 00000001 00010203 04050607
	       10 08090a0b 0c0d0e0f 10111213 14151617

	   echo    2 accepted			     6.923 ms
	   response length 32
		0 02000000 00000002 00010203 04050607
	       10 08090a0b 0c0d0e0f 10111213 14151617

	   echo    3 accepted			    84.929 ms
	   response length 32
		0 02000000 00000003 00010203 04050607
	       10 08090a0b 0c0d0e0f 10111213 14151617

SEE ALSO

       fcoeadm(8)

SUPPORT

       fcping is part of the fcoe-utils package, maintained through the Open-FCoE project. Resources for both developers and users can be found at
       the Open-FCoE website http://open-fcoe.org/.

Open-FCoE							    05/24/2011								 FCPING(8)
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