Help me in awk commands


 
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# 1  
Old 03-20-2015
Help me in awk commands

can you please let me know what does the below awk command does.

Code:
 
 
awk 'NR>2{printf "%-30s  %-15s\n", $1, !($4)?$2:$4;}' result.txt

# 2  
Old 03-20-2015
It skips 2 lines of the input file "result.txt" and then prints the first field and the fourth, if not empty, or the second, if fourth ist empty/non existant.
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