Shell Programming and Scripting

#!/usr/bin/bash
FILE_NAME="Statechange-huawei-bt1sss6o-20120830000506-alarm-log-auto-1.csv"
d= date '+ %Y%m%d%H%M%S'


## get LTE alarmes

awk  -F, '{$3 = "LTE" ; print $0 }'  $FILE_NAME >> LTE_alarms_.csv

#!/usr/bin/bash
FILE_NAME="Statechange-huawei-bt1sss6o-20120830000506-alarm-log-auto-1.csv"
d= date '+ %Y%m%d%H%M%S'


## get GSMalarmes
cat $FILE_NAME | grep "GSM" | awk '{print $0}' >> GSM_alarms_$d.csv

d=$( date "+ %Y%m%d%H%M%S" )
awk -v date="$date" '
    NR == 1 {
        f1 = sprintf( "LTE_alarms_%s.csv", date );
        f2 = sprintf( "GSM_alarms_%s.csv", date );
         f3 = sprintf( "UTMS_alarms_%s.csv", date );

        print >f1;      # capture header line into each output file
        print >f2;
        print >f3;
        next;
    }

    $3 == "LTE" { print >f1; next; }   #capture each type into their own file
    $3 == "GSM" { print >f2; next; }
     $3 == "UTMS" { print >f3; next; }
' input-file

echo 'a,b,c' | awk  -F, '{$3 = "LTE" ; print $0 }'
=> a b LTE

awk  -F, '{ if ($3 == "LTE") { print $0} }'
awk  -F, '$3 == "LTE" { print $0}'
awk  -F, '$3 == "LTE"'

awk 'expression {commands}'

awk  -F, '$3 ~ /LTE/'

dat1=$( date "+ %Y%m%d%H%M%S" )
awk -F"," -v dat="$dat1" '
NR==1{x=$0;next}
 ($3 ~ /GSM|LTE|UTMS/){
			split($3,a," ");
			if(!b[a[2]])
				{
					b[a[2]]=sprintf( "%s_alarms_%s.csv",a[2],dat );
					print x > b[a[2]]
				};
			print > b[a[2]]
			}' filename