Awk trick

Awk trick 1

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>>-- 12 September 2013 --<<

To to search a pattern of 31 and 39 in a big file at 155 to 157 position, and need to save the results in separate files with search pattern name

Use below comment

awk '{p=substr($0,155,2)} p ~ "3[19]" {print > p ".txt"}' file

Thanks
~ aks