UNIX for Dummies Questions & Answers

var1="LLL";var2="SSS";var3="TTT";var4="AAA";var5="RRR";
awk -v flag=1 '{
for (m=1;m<=NF;m++)
if($m~m/'$var1'/ && $(m+1)~/'$var2'/)
print "ABCD: ", $(m+2),$(m+3),$(m+4)
{flag=0};
else {
if {flag==0 && $m~/'var3'/)
print "EFG : ", $(m+1);
else { 
if (flag==0 && $m~/'$var4'/ && $(m+1)~/'var5'/)
print "HIJ: ",$(m+2),$(m+3) 
{flag=1}; 
}
}
}
}' flineame

AAA RRR H I
DDDD OOO HI J UGC RR
TTT YYY
LLLLL IIIIII
LLL SSS A B C D
N
DDDD TTT EFG
BBB AAA RRR J K
HHHHHH RRRRRR 
LLL SSS E H G H
N
DDDD TTT EFG
UUUUU BBB AAA RRR J K

awk '
        {
                for ( i = 1; i <= NF; i++ )
                {
                        if ( $i == "LLL" && $( i + 1 ) == "SSS" )
                        {
                                F = 1
                                i += 2
                        }
                        if ( $i == "AAA" && $( i + 1 ) == "RRR" )
                        {
                                F = 0
                        }
                        if ( F )
                                s = s ? s OFS $i : $i
                }
                if ( s )
                {
                        print s
                        s = ""
                }
        }
' file