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10-27-2009
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Regexpr expertise required
Any experts on regular expressions out there, can you help me rationalise this? In this post: - Writing an algorithm to recode data points I use the code: - Code:
tmp = $1 ; gsub(/00/, ".") ; $1 = tmp
tmp = $1 ; gsub(/A[CGT]|C[GT]|GT/, "0") ; $1 = tmp
tmp = $1 ; gsub(/AA/, "-1") ; $1 = tmp
tmp = $1 ; gsub(/TT/, "1") ; $1 = tmp
This is because the gsub's work on the entire record but I want to exclude $1. Can anyone tell me the elegant way to do this just using the regular expression to exclude $1? Thanks Last edited by steadyonabix; 10-27-2009 at 01:54 PM.. |
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