Hi Veltro / MONKS,

In addition i have one more scenario, Below. Can you please help me, I am new to perl

A1,B1,ACT_DATE,INACT_DATE
7900724655,200906888,20180416,20180522
7900724655,200906889,20180601,20180720
7900724655,200906889,20180724,20180728

[download]

--> for A1(7900724655), B1(200906889) is consecutively same from June to July 28.

7900724655,200906888,20180730,20180830
7900724655,200906890,20180905,20180930
7900724655,200906890,20181005,20181030
7900724655,200906890,20181104,

[download]

-->For A1(7900724655), B1(200906890) is consecutively(thrice) same from sept to tilldate(As inact date is Null).

7900724666,200906868,20180416,20180522
7900724666,200906869,20180601,20180720
7900724666,200906869,20180724,20180728
7900724666,200906868,20180730,20180830
7900724666,200906890,20180905,20180930
7900724666,200906890,20181005,20181030
7900724666,200906890,20181104,

[download]

Expected output in HASH

A1,B1,ACT_DATE,INACT_DATE

I want to store date only for the consecutive(any number of times) B1(First active and last inactive) in hashmap

ie.,

7900724655,200906889,20180601,20180728
7900724655,200906890,20180905,
7900724666,200906869,20180601,20180728
7900724666,200906890,20180905,

[download]

Thank you very much in advance

2018-08-04 Athanasius added code tags

In reply to Re^2: sorting and merging in perl by Sekhar Reddy
in thread sorting and merging in perl by Sekhar Reddy

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