Manipulating a list of numbers based on values

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# 1  
Old 02-01-2012
Manipulating a list of numbers based on values


I have a single column of numbers from in tabulated text format ranging from 0 to 1. I want to manipulate the list of numbers so that if the number is greater than 0.5 (> 0.5), I get 1 - number. If the number is less than 0.5, the number is taken as it is and not altered. For example:

Sample input


How do I go about doing this? Thanks!

Moderator's Comments:
Mod Comment Use code tags, please!
# 2  
Old 02-01-2012
awk '$1 = $1 > 0.5 ? 1 - $1 : $1 x' infile

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