LinuxQuestions.org - Show unique values with related data in one line

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Show unique values with related data in one line

Hello everyone,

Some help with this.

I have a file with many numbers repeated 2, 3, or sometimes 7 times in consecuitve lines
in column 1. Those numbers have a number related in column 2.

I would like to show only one time the repeated numbers in column 1 and put the numbers
related in column 2 joined in one line.

I have a pattern as follow:

(there are no blanks empty lines, I show like this to see better in this example)

Code:

72130000003        2

72130000003        31

72130000003        12



72130000007        4

72130000007        9

72130000007        11

72130000007        3



72131949999        5

72131949999        7

72131949999        9

I would like to obtain

Code:

72130000003 2 31 12

72130000007 4  9 11  3

72131949999 5  7  9

Thanks in advance for any help

Come on now. You keep asking for help with virtually identical problems. Aren't you going to learn anything from the suggestions made?