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Forum: UNIX for Dummies Questions & Answers 12-17-2012

awk if statement / equals operator

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Floating point numbers are a problem for all...

Floating point numbers are a problem for all languages, because many non-integral numbers can not be represented precisely. The fact, that a certain number can be represented with a finite number of...

Forum: Shell Programming and Scripting 05-16-2012

Basic line reading and file merge question

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1. awk '{system ("wget -qO -...

1.
awk '{system ("wget -qO - http://cactus.nci.nih.gov/chemical/structure/" $4 "/smiles")}
' tst2 > smiles.txt

2. Assuming both files have the same numbers of lines:
awk...

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