Difference between revisions of "AWK Command"
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| Line 5: | Line 5: | ||
'''Print certain columns ''' | '''Print certain columns ''' | ||
awk '{print $1,$2}' filename.txt | awk '{print $1,$2}' filename.txt | ||
'''Print out line numbers ''' | |||
awk '{print NR, $0}' filename.txt | |||
awk '{print $1, $NF}' filename.txt | |||
// $0 prints the entire line | |||
// NR prints the line number | |||
// NF prints the last field of the file | |||
Revision as of 16:11, 17 August 2021
Print file
awk '{print}' filename.txt
Find text in file
awk '/bug/ {print}' filename.txt
Print certain columns
awk '{print $1,$2}' filename.txt
Print out line numbers
awk '{print NR, $0}' filename.txt
awk '{print $1, $NF}' filename.txt
// $0 prints the entire line
// NR prints the line number
// NF prints the last field of the file