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Top Forums UNIX for Beginners Questions & Answers String has * as the field delimiter and I need echo/awk to escape it, how? Post 302989020 by newbie_01 on Friday 6th of January 2017 10:38:42 AM
Old 01-06-2017
String has * as the field delimiter and I need echo/awk to escape it, how?

Hi,

I am trying to read an Oracle listener log file line by line and need to separate the lines into several fields. The field delimiter for the line happens to be an asterisk.

I have the script below to start with but when running it, the echo command is globbing it to include other information that I don't need.

Below is a sample run of the script z.ksh

Code:
$
$ ls -altr
total 16
drwxr-xr-x 3 oracle oinstall 4096 Jan  7 03:59 ..
-rw-r--r-- 1 oracle oinstall  243 Jan  7 04:03 x.out
-rwxr--r-- 1 oracle oinstall  586 Jan  7 04:12 z.ksh
drwxr-xr-x 2 oracle oinstall 4096 Jan  7 04:12 .
$ ./z.ksh
- Processing  --> 15-DEC-2016 10:19:24 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=testuser))(SERVER=DEDICATED)(SERVICE_NAME=test_app.x.y.z)) * (ADDRESS=(PROTOCOL=tcp)(HOST=60.11.22.123)(PORT=55440)) * establish * test_app.x.y.z * 12666
- timestamp = 15-DEC-2016 10:19:24 x.out z.ksh (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=testuser))(SERVER=DEDICATED)(SERVICE_NAME=test_app.x.y.z)) x.out z.ksh (ADDRESS=(PROTOCOL=tcp)(HOST=60.11.22.123)(PORT=55440)) x.out z.ksh establish x.out z.ksh test_app.x.y.z x.out z.ksh 12666
- connectstring =
- result =
- service =
- returncode =

$ cat z.ksh
#!/bin/ksh

LOG=x.out

while read line
do
   echo "- Processing  --> $line"
   timestamp=`echo $line | awk -F"[*]" '{ print $1 }'`
   connectstring=`echo $line | awk -F"[*]" '{ print $2 }'`
   result=`echo $line | awk -F"[*]" '{ print $3 }'`
   service=`echo $line | awk -F"[*]" '{ print $4 }'`
   returncode=`echo $line | awk -F"[*]" '{ print $5 }'`

   echo "- timestamp = $timestamp"
   echo "- connectstring = $connectstring"
   echo "- result = $result"
   echo "- service = $service"
   echo "- returncode = $returncode"

   echo
done < $LOG

###########
# THE END #
###########

I've also tried doing awk -F "\*" and that does not make any difference besides giving the warning awk: warning: escape sequence `\*' treated as plain `*'

I also need to somehow extract the line below to each respective fields, i.e. CONNECT_DATA, PROGRAM, USER, SERVER, SERVICE_NAME,HOST and PORT Smilie.

Code:
(CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=testuser))(SERVER=DEDICATED)(SERVICE_NAME=test_app.x.y.z)) * (ADDRESS=(PROTOCOL=tcp)(HOST=60.11.22.123)(PORT=55440))

Here's wishing Oracle could have provided something to parse their own log. Maybe there is a program/script/utility out there that can parse log files of any format?

I will have to somehow change the timestamp to YYYYMMDD. For the time being, I need to be able to get around the asterisk globbing to start with.

Can't install Splunk/logstash unfortunately.

Any advice much appreciated. Thanks in advance.
 

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print(1)							   User Commands							  print(1)

NAME
print - shell built-in function to output characters to the screen or window SYNOPSIS
ksh print [ -Rnprsu [n]] [arg...] DESCRIPTION
ksh The shell output mechanism. With no flags or with flag - or -, the arguments are printed on standard output as described by echo(1). OPTIONS
The following options are supported: -n suppresses new-line from being added to the output. -R -r (raw mode) ignore the escape conventions of echo. The -R option will print all subsequent arguments and options other than -n. -p causes the arguments to be written onto the pipe of the process spawned with |& instead of standard output. -s causes the arguments to be written onto the history file instead of standard output. -u [ n ] flag can be used to specify a one digit file descriptor unit number n on which the output will be placed. The default is 1. EXIT STATUS
The following exit values are returned: 0 Successful operation. >0 Output file is not open for writing. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
echo(1), ksh(1), attributes(5) SunOS 5.10 15 Apr 1994 print(1)
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