06-01-2009
How to keep appending a newly created file based on some keywords
Hi Friends,
I have to create a new log file everyday and append it with content based on some keywords found in another log file.
Here is what I have tried so far...
grep Error /parentfolder/someLogFile.log >> /parentfolder
/Archive/"testlogfile_error_`date '+%d%m%y'`.txt"
grep error /parentfolder/someLogFile.log >> /parentfolder
/Archive/"testlogfile_error_`date '+%d%m%y'`.txt"
grep Failed /parentfolder/someLogFile.log >> /parentfolder
/Archive/"testlogfile_error_`date '+%d%m%y'`.txt"
grep failed /parentfolder/someLogFile.log >> /parentfolder
/Archive/"testlogfile_error_`date '+%d%m%y'`.txt"
Following are the instructions that I must follow:
1. Log file should either gte created in Archive folder or should get created in parentfolder and then moved to Archive.
2. Newly created log file should have date appended to its name.(I have taken care of this).
3. This file should get appended whenever there is an Error, error, Failed or failed keyword is found in "someLogFile.log" file.
The issue I am facing are
1. The new log file either do not get created properly or if created it does not get appended by the content of next found words.
2. Even if i am able to create the file it does not open at all, untill I use a touch command to create a new file and append it with first keyword.
I am not looking for complete code but if I am making any mistakes in my approch then any correction required is appriciated.
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log(8) System Manager's Manual log(8)
NAME
log - Records input and output from a program
SYNOPSIS
/usr/sbin/log <logfile> <command>
OPERANDS
The file in which to record the interaction being logged. The command to execute.
DESCRIPTION
The log program runs <command> and logs the input to and output from <command> to the <logfile> file. Input and output are logged until
<command> exits, the log program exits, and the exit status of <command> is returned.
The log program is used by the system installation procedure and the it(8) command to create the /var/adm/smlogs/install.log and
/var/adm/smlogs/it.log installation log files.
RESTRICTIONS
Because the log program is used in the installation standalone environment, program size was the greatest concern in its implementation.
The log program does not search for the PATH variable to locate <command> and error messages are terse.
The log program causes <command> to take standard input from and write standard output and standard error to UNIX pipes. Some commands
will not be able to operate in this environment; therefore, it is suggested that you use the script(1) command instead. UNIX shells will
not issue prompts when run from log unless the shell is started with an explicit interactive switch (-i for most shells). For example, log
foo.tmp /sbin/sh -i
In the previous example, foo.tmp is the name of <logfile>.
The log program intercepts end-of-file (usually Ctrl/d). Therefore programs which normally receive end-of-file as an exit command must
exit by some other means.
ERRORS
Log open error
Explanation:
The log program was unable to open <logfile>. Verify that the directory exists and that ownerships and permissions are set correctly.
Exec Error
Explanation:
The log program was unable to execute <command>. Verify that you specified a full pathname for <command> and that <command> is an exe-
cutable file.
Fork Error
Explanation:
The log program was unable to create one of the processes it requires to log data.
SEE ALSO
Commands: it(8), script(1)
log(8)