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In a file , how to retrieve the lines which are the
multiples of 50 ? like 50,100,150th lines etc.
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Answer Posted / shivu
root@chandru-VirtualBox:~# egrep "^[0-9]*[0|5]0" file
50
100
150
200
250
300
350
400
450
500
501
502
503
504
505
506
507
508
509
550
600
650
700
750
800
850
900
950
1000
But the below one is
root@chandru-VirtualBox:~# egrep "^[0-9][0|5][0]" file
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
1000
This is also not correct. up to some extend it is ok.
| Is This Answer Correct ? | 1 Yes | 4 No |
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