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Full Discussion: Compare text strings.
Top Forums Shell Programming and Scripting Compare text strings. Post 302422678 by vettec3 on Wednesday 19th of May 2010 06:24:58 AM
Old 05-19-2010
Compare text strings.
Hi Im trying to write a script that compare a text string.
But it fails, I think it adds a extra line feed to the result and fails beacuse of that.

The script.

Code:
DT=`date +'%Y%m%d%H%M%S'`
#ALARM_BIN=/users/alarms/ssa/alarms/bin
QUEUE_THR=10
#unset offset
#offset="***Server reports data not found"
#offset=330000
offset=`xntpdc -p |awk '{ print $7 }' |tail -1| (sed -e 's/^-//' -e 's/\.//')`
echo "$offset"
if [ "$offset" = "***Server reports data not found" ]; then
        echo "Connection to NTP server lost"
        ${ALARM_BIN}/alarm_raise NTPCHECK ntp_check 8 8505 MAJOR "Connection to NTP server lost" SSOO

        else
        if (( $offset > 300000 )); then
        echo "Client clock off by 0.3 seconds or more"
        ${ALARM_BIN}/alarm_raise NTPCHECK ntp_check 8 8507 MAJOR "Client clock off by 0.3 seconds or more" SSOO

        else
        echo "NTP server connection and client clock OK"
        ${ALARM_BIN}/alarm_raise NTPCHECK ntp_check 14 8606 CLEAR "NTP server connection and client clock OK" SSOO
        fi
fi

The result is as follows
If the ntp server is available it returns a number
Code:
ntp_check
0060277
NTP server connection and client clock OK

If the ntp server is unavailable
ntp_check
***Server reports data not found

./ntp_check[16]:   > 300000 : syntax error

It fails doing the comparision I dont understand why.
Why is there a blank line below
Code:
***Server reports data not found

Thanks.
 

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LEARN ABOUT SUNOS

ntptrace

ntptrace(1M)						  System Administration Commands					      ntptrace(1M)

NAME

       ntptrace - trace a chain of NTP hosts back to their master time source

SYNOPSIS

       /usr/sbin/ntptrace [-vdn] [-r retries] [-t timeout] [server]

DESCRIPTION

       ntptrace  determines  where  a  given  Network Time Protocol (NTP) server gets its time from, and follows the chain of  NTP servers back to
       their master time source. If given no arguments, it starts with	localhost.

OPTIONS

       The following options are supported:

       -d	       Turns on some debugging output.

       -n	       Turns off the printing of host names; instead, host IP addresses are given.  This may be necessary if a nameserver is down.

       -r retries      Sets the number of retransmission attempts for each host.

       -t timeout      Sets the retransmission timeout (in seconds); default = 2.

       -v	       Prints verbose information about the  NTP servers.

EXAMPLES

       Example 1: Sample Output From the ntptrace Command

       The following example shows the output from the ntptrace command:

       % ntptrace
	 localhost: stratum 4, offset 0.0019529, synch distance 0.144135
	 server2.bozo.com: stratum 2, offset 0.0124263, synch distance 0.115784
	 usndh.edu: stratum 1, offset 0.0019298, synch distance 0.011993, refid 'WWVB'

       On each line, the fields are (left to right):

	 o  The server's host name

	 o  The server's stratum

	 o  The time offset between that server and the local host (as measured by ntptrace; this is why it is not always zero for  localhost)

	 o  The host's synchronization distance

	 o  The reference clock ID (only for stratum-1 servers)

       All times are given in seconds. Synchronization distance is a measure of the goodness of the clock's time.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWntpu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       xntpd(1M), attributes(5)

BUGS

       This program makes no attempt to improve accuracy by doing multiple samples.

SunOS 5.10							    19 Mar 1998 						      ntptrace(1M)
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