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Full Discussion: Many to many -- mapping
Top Forums Shell Programming and Scripting Many to many -- mapping Post 303022290 by busyboy on Wednesday 29th of August 2018 09:17:31 AM
Old 08-29-2018
Here the END part is trying to do a scanning on the array of input being built in the action panel of gawk

Code:
gawk '/pmd/ { 
split($1,IP," "); 
x[IP[2]]++; 
y[n++]=IP[2]"--"$2;} END {
for(i in y){
{
{print y[i]}
}
}
}' file

other approach was

Code:
gawk '/pmd/ {
split($1,IP," "); 
x[IP[2]]++; y[IP[2]"--"$2]++;} END {
for(i in x){
 for(j in y){
if(i ~ y){
print i}
}
}
}' file

 

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LEARN ABOUT CENTOS

end

END(7)							  PostgreSQL 9.2.7 Documentation						    END(7)

NAME

       END - commit the current transaction

SYNOPSIS

       END [ WORK | TRANSACTION ]

DESCRIPTION

       END commits the current transaction. All changes made by the transaction become visible to others and are guaranteed to be durable if a
       crash occurs. This command is a PostgreSQL extension that is equivalent to COMMIT(7).

PARAMETERS

       WORK, TRANSACTION
	   Optional key words. They have no effect.

NOTES

       Use ROLLBACK(7) to abort a transaction.

       Issuing END when not inside a transaction does no harm, but it will provoke a warning message.

EXAMPLES

       To commit the current transaction and make all changes permanent:

	   END;

COMPATIBILITY

       END is a PostgreSQL extension that provides functionality equivalent to COMMIT(7), which is specified in the SQL standard.

SEE ALSO

       BEGIN(7), COMMIT(7), ROLLBACK(7)

PostgreSQL 9.2.7						    2014-02-17								    END(7)
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