Shell Programming and Scripting

 
KEYWRD1='your_first_keyword';
KEYWRD2='your_second_keyword'
 
# go through all log files in a particular directory: 
LOGDIR='your_log_directory_path'
# I don't know naming pattern of your logs, 
# for example they are ending with .log
 
for fn in $LOGDIR/*.log; do
#
# determine line number of last occurence of key word 1
#
  lineno=$( grep -n $KEYWRD1 $fn | tail -1 | cut -d':' -f1 )
#
# build ed command to print from that line to the end
#
  cmnd=$( printf "%d,$p" $lineno )
#
# run ed and grep throu the last n lines searching for KEYWRD2
#
  echo $cmnd | ed - $fn | grep -q $KEYWRD2
#
# if found (result 0) then spit out the file name
#
  if(( $? == 0 )); then
    echo $fn
  fi
done