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Full Discussion: Modify script to generate a log file
Top Forums Shell Programming and Scripting Modify script to generate a log file Post 302076489 by heprox on Tuesday 13th of June 2006 03:14:24 PM
Old 06-13-2006
Question Modify script to generate a log file
I've seen several examples of scripts in thise forum about having a script generate a log file. I have a script that is run from cron and that monitors a file system for a specfic filename(s) and then performs some actions on them. Normally I call this script from another script (which the one actually called from cron) that generates the log file from the output of the first script. I've found that just looking at the output of the first script is too detailed for most purposes so I want to modify it to create its own log file and then just have specific parts of the script create lines for the log. The script looks like:

Code:
#!/bin/ksh
#
# Function : is_file_arrived file
# Arg(s)   : file = file to verify
# Output   : None
# Status   : 0 = yes file arrived, 1 = no
# Env.     : IFA_WAIT : interval (secs) for file size check (def=5)
#
 
is_file_arrived() {
   [ -z "$1" ] && return 1
   local file=$1
   local arrived=1
   local size1 size2
   if [ -f "$file" -a -z "$(fuser $file 2> /dev/null)" ] ; then
      size1=$(ls -l $file 2>/dev/null | awk '{print $5}')
      sleep ${IFA_WAIT:-15}
      size2=$(ls -l $file 2>/dev/null | awk '{print $5}')
      [ ${size1:-1} -eq ${size2:-2} ] && arrived=0
   fi
   return $arrived
}
 
 
processFile ()
{
   local fileName=$1
   local fileExtension=$2
   local fileNewName="/datafiles/str${fileExtension}.asc"
   local filePrintPath="/print"
   local fileTmpPath="/tmp"
   local fileODIName="str${fileExtension}.pos"
   mv -Eignore $fileName $fileNewName      # Add status check
   prepup $fileNewName $fileExtension
   mv -Eignore  $filePrintPath/$fileODIName $fileTmpPath/$fileODIName
   save2tmp $fileExtension
   call_siu $fileExtension
}
 
# Main Processing
 
nsec=1
#while :
while [[ "$(date +%H%M)" -lt 2329 ]]
do
   for fileName in /datafiles/[Uu][Pp][Ll][Oo][Aa][Dd].[0-9][0-9][0-
9][0-9]
   do
      fileExtension=${fileName#*.}
      is_file_arrived "$fileName" && nsec=1 && processFile $fileName $fileExtens
ion
   done
   sleep $nsec
   case $nsec in
      1)   nsec=15;;
      15)  nsec=45;;
      45)  nsec=90;;
      90)  nsec=300;;
      300) nsec=600;;
      600) nsec=900;;
      *)   nsec=1800;;
   esac
done

...I searched for some type of function to call to create the lof and found this:

Code:
[ ! -f "$0.log" ] && > $0.log

function log
{
  echo "$@" >> "$0.log"
}

How would I go about using a function to create and append the log file? I want to be able to place a line like:

Code:
log "File $FILENAME found."
log "File $FILENAME renamed to $FILENEWNAME"
log "File $FILENAME processed successfully"

...etc, etc..
 

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LEARN ABOUT OSF1

cdslinvchk

cdslinvchk(8)						      System Manager's Manual						     cdslinvchk(8)

NAME

       cdslinvchk - Checks the CDSL inventory of the base operating system and layered applications.

SYNOPSIS

       /usr/sbin/cdslinvchk [log_file_path]

OPTIONS

       The path name to a location for the log file.  By default this will be /var/adm/cdsl_check_list.

DESCRIPTION

       Use  the cdslinvchk script to verify the current inventory of Context Dependent Symbolic Links (CDSLs) on a running system.  CDSLs are spe-
       cial symbolic links that enable a system to work in a cluster.  If CDSLs are accidentally removed, your system will not function  correctly
       in  a cluster.  While this is not a problem for stand-alone systems, you may not be able to add the system as a member of a working cluster
       at some future time.  You can run this script at any time or configure it to run at system start-up, or as a cron task.

       When you invoke the script, it checks the CDSLs on the running system against CDSLs of the installed inventory in /usr/.smdb and the  addi-
       tional  entries	in  /var/adm/cdsl_admin.inv, and ensures that each target file exists on the system as a properly-constituted CDSL. If the
       check is successful, the following message is displayed and the script terminates: Successful CDSL inventory check

       If the script finds inconsistencies in the inventory, warning messages are displayed on your terminal and logged to the default log file at
       /var/adm/cdsl_check_list.   You	can specify an alternate location for the log fill if required.  The script locates any modified, missing,
       or replaced CDSLs.  Note that the previous copy of the log file is renamed and retained for reference and is renamed by	appending  to  the
       filename.

       Refer  to  the  System Administration guide for information on recreating any missing or broken CDSLs.  Refer to the hier(5) reference page
       for an inventory of CDSLs.

   MESSAGES
       One or more of the following messages may be displayed and logged to the log file: Unable to create <pathname> report file  --  the  script
       was  not able to create a log file.  Check the target directory and security.  Expected CDSL: <cdsl_pathname> -> <pathname> CDSL Target has
       been modified to: <pathname> CDSL has been replaced with <pathname> CDSL is missing Failed CDSL inventory check. See details in <log file>

FILES

       Additional inventory file entries.  This file will not exist on all systems.  The current and previous log files for inventory  errors  and
       messages

SEE ALSO

       Commands: cron(8)

       Others: hier(5)

       See also the System Administration guide for details of CDSLs

																     cdslinvchk(8)
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