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Top Forums Shell Programming and Scripting Can I improve this script ??? Post 12161 by Cameron on Thursday 20th of December 2001 12:55:25 PM
Old 12-20-2001
Question Can I improve this script ???

Hi all,

Still a newbie and learning as I go ... as you do Smilie
Have created this script to report on disc usage and I've just included the ChkSpace function this morning.

It's the first time I've read a file (line-by-bloody-line) and would like to know if I can improve this script ?

FYI - I created the $1.temp file as it was the only way to remove blank lines that I could find.

Cheers,
Cameron

Code:
TVL-AU: cat daily_df
#!/bin/bash
#######################################################
# >> NOTE: Ensure that you comment ANY amendments. <<
#######################################################
#
# SCRIPT NAME : daily_df
#               Creation of daily volume report.
# ----------------------------------------------------
# PURPOSE:
# This macro is intended to be run via CRONTAB every
# evening at 23:55.
#
# ----------------------------------------------------
# AMENDMENTS:
# -DATE- -VER- -WHO- - COMMENTS                      -
# 281101  001   CJY  Initial script.
# 211201  002   CJY  Check mounts and send an email if
#                    any mount reaches 95% if disc
#                    space.
# 241201  003   CJY  Improvements to script.
#
# ----------------------------------------------------
# >> NOTE: Ensure that you comment ANY amendments. <<
#######################################################

# - Environment setup ----------------------------------#

## File location/assignments.
  xdfdir=/amadeus_stats/disc/
  xdfThold=95        # %Threshold required to send email.
  xemail="tvl_ops_reports@???.com.au"
##xemail="cyoung@???.com.au"
  xemailsub="WARNING: Everest-AU Space Shortage."

# - Functions ------------------------------------------#
#
function ChkSpace {

  toobig=0
  grep "/" $1 > $1.temp

  while read f1 f2 f3 f4 f5 xspc ; do
    xspc=${xspc%%%}
    if [ $xspc -ge $xdfThold ] ; then
        toobig=$toobig+1
    fi
  done < $1.temp

  if [ $toobig -gt 0 ] ; then
    # Send email of mount
    mail -s "$xemailsub" $xemail << -END
               THERE ARE MOUNTS SHORT OF SPACE.
     System Performance will be affected if not investigated.
----------------------------------------------------------------------
`cat $1`
----------------------------------------------------------------------
 End-of-Message.
-END
  fi

  rm $1.temp

}  ## End-of-function ChkSpace

# - START-OF-SCRIPT ------------------------------------#
##

set `date '+%Y %b %d'`

if ! [ -d $xdfdir$2$1 ]; then
  echo "Creating New Directory ... "$xdfdir$2$1
  mkdir $xdfdir$2$1
  chown operator:group $xdfdir$2$1
  chmod 744 $xdfdir$2$1

  ## Remove files older than 1 yr.
  find $xdfdir/???20?? -name \*\_df -mtime +366 -type f -exec rm {} \;
  ## Remove directories older than 1 yr.
  find $xdfdir -name ???20?? -mtime +366 -type d -exec rm {} \;
fi

df -v > $xdfdir$2$1/$2$3\_df
chown operator:group $xdfdir$2$1/$2$3\_df
chmod 644 $xdfdir$2$1/$2$3\_df

ChkSpace $xdfdir$2$1/$2$3\_df

##
# - END-OF-SCRIPT --------------------------------------#


Last edited by Cameron; 12-24-2001 at 09:57 AM..
 

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suspend(1)                                                         User Commands                                                        suspend(1)

NAME
suspend - shell built-in function to halt the current shell SYNOPSIS
sh suspend csh suspend ksh suspend DESCRIPTION
sh Stops the execution of the current shell (but not if it is the login shell). csh Stop the shell in its tracks, much as if it had been sent a stop signal with ^Z. This is most often used to stop shells started by su. ksh Stops the execution of the current shell (but not if it is the login shell). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), kill(1), ksh(1), sh(1), su(1M), attributes(5) SunOS 5.10 15 Apr 1994 suspend(1)
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