Shell Programming and Scripting

[1230791427] EXTERNAL COMMAND: PROCESS_SERVICE_CHECK_RESULT;SACNT141;SQL Event Log;2;Application [error] [mssqlserver #17055]: 3041 : BACKUP failed to complete the command BACKUP DATABASE [Apple_InterchangeSQ] TO [Apple_InterchangeSQ_Full] WITH  INIT
[1230791545] HOST ALERT: FSERVWEB;DOWN;SOFT;1;10.141.8.40 is unreachable (loss: 100%)
[1230791685] SERVICE DOWNTIME ALERT: ZCREH000;SYSTEM-DISK;STOPPED; Service has exited from a period of scheduled downtime
[1230793487] HOST DOWNTIME ALERT: MILSTARS;STOPPED; Host has exited from a period of scheduled downtime
[1230793964] SERVICE DOWNTIME ALERT: TXSLRCAD1;DISK-USAGE-E-90-95;STOPPED; Service has exited from a period of scheduled downtime

while read line
do
        TypeAlert=`echo "$line" | awk -F":" '{ split ( $1,vect,"]");   print vect[2] }'|sed "s/^  *//"`
        if [ "$TypeAlert" = "EXTERNAL COMMAND" ]
        then
                echo "EXTERNAL COMMAND ALERT"
                echo $line >> file1
        else
         if [ "$TypeAlert" = "HOST ALERT" ]
         then
                echo "HOST ALERT"
                echo $line >> file2
         else
           if [ "$TypeAlert" = "SERVICE DOWNTIME ALERT" ]
           then
                echo "SERVICE DOWNTIME ALERT"
                echo $line >> file3
           else
              if [ "$TypeAlert" = "HOST DOWNTIME ALERT" ]
              then
                 echo "HOST DOWNTIME ALERT"
                echo $line >> file4
              else
                if [ "$TypeAlert" = "SERVICE DOWNTIME ALERT" ]
                then
                        echo "[SERVICE DOWNTIME ALERT]"
                        echo $line >> file5
                fi
              fi
          fi
         fi
        fi
done<file

awk -F'\]|:' '{line=$0;sub("^ ","",$2);sub(" ","_",$2);file=$2;print line >> file;close(file)}' file

awk: (FILENAME=file FNR=196) fatal: expression for `>>' redirection has null string value

awk 'NR==196' file