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Merge matching rows

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# 1  
Old 12-09-2013
Merge matching rows
Hello,

I need this output. thank you very much.

input:

Code:

Code:
***table***wood
***snack***top
***table***garfield
***big***zen
***table***cars

output:

Code:

Code:
***table***wood2345garfield2345cars
***snack***top
***big***zen

# 2  
Old 12-09-2013
Quote:
Originally Posted by tara123
I need this output. thank you very much.
Ok, so you need this output.

But how you derived this output from input? Explain the logic used here and also show us what you tried so far?
# 3  
Old 12-09-2013
2345 is a fixed number. can be any number.

input:

Code:
***table***wood
***table***garfield
***table**cars
***snack***top
***big***zen

output:

Code:
***table***wood2345garfield2345cars
***snack***top
***big***zen

# 4  
Old 12-09-2013
Code:
awk -F'*' -v n="2345" '
        {
                A[$4] = A[$4] ? A[$4] n $NF : "***" $4 "***" $NF
        }
        END {
                for ( k in A )
                        print A[k]
        }
' file

# 5  
Old 12-09-2013
Thank you but output:

Code:
table***wood
2345garfield
2345cars
snack***top
big***zen

# 6  
Old 12-09-2013
Code:
$ cat file
***table***wood
***snack***top
***table***garfield
***big***zen
***table***cars

Code:
$ awk  '{gsub(/\*/," ");A[$1] = A[$1] ? A[$1] "2345" $2 : $2}END{for(i in A)print "***"i"***"A[i]}' file
***table***wood2345garfield2345cars
***snack***top
***big***zen

# 7  
Old 12-09-2013
Thanks it is works Smilie



Quote:
Originally Posted by Akshay Hegde
Code:
$ cat file
***table***wood
***snack***top
***table***garfield
***big***zen
***table***cars

Code:
$ awk  '{gsub(/\*/," ");A[$1] = A[$1] ? A[$1] "2345" $2 : $2}END{for(i in A)print "***"i"***"A[i]}' file
***table***wood2345garfield2345cars
***snack***top
***big***zen
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