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Script Conversion To Ubuntu 8.10

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Top Forums Shell Programming and Scripting Script Conversion To Ubuntu 8.10
# 8  
Old 04-13-2009
The comments are part of the code.
# 9  
Old 04-13-2009
I am definately learning! Thanks!! I redid it and your comment about the man pages has help me a bit in cleaning up some of the ping portion but the [-n "$4" ] is still giving me fits. Thanks for your patience. Dale
# 10  
Old 04-13-2009
Quote:
Originally Posted by gbxfan
I am definately learning! Thanks!! I redid it and your comment about the man pages has help me a bit in cleaning up some of the ping portion but the [-n "$4" ] is still giving me fits. Thanks for your patience. Dale

There is only one script; there should only be one pair of [code] tags.

Now, to repeat the questions I asked earlier:

Which part is giving you problems? What problems is it giving you? If you get error messages, please post them.

Have you tried executing just the problem parts (substituting reasonable values for the variables)?

Note that the -a operand is problematic; it is better to use:

Code:
if [ -n "$WASDOWN" ] && [ -z "$ISDOWN" ]; then

rather than:

Code:
if [ -n "$WASDOWN" -a -z "$ISDOWN" ]; then

# 11  
Old 04-13-2009
Ah, ok. I have went back in and I think the code is now better. The part giving me the problem is:

#[PING PORTION]
sping()
{
NAME=$1
IP=$2
ROUTER=$3
if [ -n "$4" ]; then
COUNT=$4
else
COUNT=1
fi
if ping $IP 56 $COUNT | grep -s "100% packet loss"; then
if ping $ROUTER 56 $COUNT | grep -s "100% packet loss"; then
echo "$NAME $IP $ROUTER (down because route to it is down)"
echo "$NAME $IP $ROUTER (down because route to it is down)" 1>&2

and at the moment its the if statement with < if [ -n "$4"]; then >

Any coding ideas on that? Thanks.
# 12  
Old 04-13-2009
Quote:
Originally Posted by gbxfan
Ah, ok. I have went back in and I think the code is now better. The part giving me the problem is:

Why are there no [code] tags?
Quote:

#[PING PORTION]
sping()
{
NAME=$1
IP=$2
ROUTER=$3
if [ -n "$4" ]; then
COUNT=$4
else
COUNT=1
fi
if ping $IP 56 $COUNT | grep -s "100% packet loss"; then
if ping $ROUTER 56 $COUNT | grep -s "100% packet loss"; then
echo "$NAME $IP $ROUTER (down because route to it is down)"
echo "$NAME $IP $ROUTER (down because route to it is down)" 1>&2

and at the moment its the if statement with < if [ -n "$4"]; then >

Any coding ideas on that? Thanks.

And I repeat yet again:

What problems is it giving you? If you get error messages, please post them.

Have you tried executing just the problem parts (substituting reasonable values for the variables)?
And those ping commands do not look like GNU ping commands. Did you read the man page?
Last edited by cfajohnson; 04-13-2009 at 07:33 PM..
# 13  
Old 04-13-2009
Here is the error I get when the script is run. I have again attempted the code tags and think its better (I hope).

OUTPUT
+ read NAME IP ROUTER
+ sping albany1 xx.xx.xx.xx xx.xx.xx.1
+ NAME=albany1
+ IP=xx.xx.xx.xx
+ ROUTER=xx.xx.xx.1
+ '[-n' ']'
ping_servers.sh: line 256: [-n: command not found
+ grep '(down'
+ COUNT=1
+ ping xx.xx.xx.xx -c 1
+ grep -s '100% packet loss'
+ echo 'albany1 xx.xx.xx.xx xx.xx.xx.1 (up)'
+ echo 'albany1 xx.xx.xx.xx xx.xx.xx.1 (up)'
albany1 xx.xx.xx.xx xx.xx.xx.1 (up)
# 14  
Old 04-13-2009
Quote:
Originally Posted by gbxfan
Here is the error I get when the script is run. I have again attempted the code tags and think its better (I hope).

There are no [code] tags.
Quote:

OUTPUT
+ read NAME IP ROUTER
+ sping albany1 xx.xx.xx.xx xx.xx.xx.1
+ NAME=albany1
+ IP=xx.xx.xx.xx
+ ROUTER=xx.xx.xx.1
+ '[-n' ']'
ping_servers.sh: line 256: [-n: command not found

There must be a space after '['.
Quote:
+ grep '(down'
+ COUNT=1
+ ping xx.xx.xx.xx -c 1
+ grep -s '100% packet loss'
+ echo 'albany1 xx.xx.xx.xx xx.xx.xx.1 (up)'
+ echo 'albany1 xx.xx.xx.xx xx.xx.xx.1 (up)'
albany1 xx.xx.xx.xx xx.xx.xx.1 (up)
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