Shell Programming and Scripting

X|High|2|GIC|DM||XHM|||6 Months  
X|Moderate|2|GIC|DM||XHM|||6 Months  
X|High|2|GCM|DM||XSF|||6 Months  
X|Med|2|GCM|DM||XSF|||6

awk -F'|' '{ 
for (i=1; i<=NF; ++i) 
{ 
if($i == 6 || $i == 8 || $i == 9) 
{ 
$i++;continue; 
} 
elseif ($i ~ /^[[:space:]]*$/) 
{print NR, $0; next}}' file.txt

perl -ne '@arr = split(/\|/,$_,-1);
for($i=0;$i<@arr;$i++) {
next if $i =~ /^(5|7|8)$/ ;
$flag = 1 if ($arr[$i] eq "");
}
print join("|",@arr) if $flag;
' file.txt

awk -F"|" '{for(i=1;i<=NF;i++){if($i==""){A++}};if(A>3){print $0};A=""}'  Input_file

awk -F"|" '{
f=0
for (x=1;x<=NF;x++) {
    if( x==6 || x==8 || x==9 ) continue
    if (length($x)==0)
    f++
    }
}f' file

if (i == 6 || i == 8 || i == 9) {continue}
else if ...

if (i != 6 && i != 8 && i != 9) if ...

awk -F\| '{for(i=1; i<=NF; i++) if(i!~/[689]$/ && $i=="") {print; next}}' file

awk -F\| '{for(i=1; i<=NF; i=i==5?7:i==7?10:i+1) if ($i=="") {print; next}}' file

awk -F\| 'BEGIN{S[6]; S[8]; S[9]} {for(i=1; i<=NF; i++) if (!(i in S) && $i=="") {print; next}}' file