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| — | awk [2016/02/17 17:26] (current) – created - external edit 127.0.0.1 | ||
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| + | ====== awk ====== | ||
| + | * [[ack]] | ||
| + | * [[grep]] | ||
| + | * [[sed]] | ||
| + | |||
| + | === Tips and Tricks === | ||
| + | |||
| + | == Use awk to print a specific column == | ||
| + | |||
| + | < | ||
| + | chkconfig --list |grep " | ||
| + | </ | ||
| + | |||
| + | == Print the last column == | ||
| + | |||
| + | < | ||
| + | awk '{ print $NF }' | ||
| + | </ | ||
| + | |||
| + | == Print a total of a column of numbers in a file == | ||
| + | |||
| + | < | ||
| + | awk '{ sum += $1 } END { print sum }' filename | ||
| + | </ | ||
