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Top Forums Shell Programming and Scripting Detect continuous number as range Post 302974018 by pravin27 on Wednesday 25th of May 2016 02:54:04 AM
Old 05-25-2016
RavinderSingh13,
One doubt here , why 179 183 is in your o/p
o/p in the post of before4 does not include it.
Little modification if you want to exclude 179 183
Code:
awk 'NR==1{first=$0;prev=$0;next }
$0 - prev == 1 { prev=$0; next } { if (first != prev) { print first,prev;} prev=$0;first=$0 } END { print  first,prev;}' infile

Thanks
Pravin
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