Archive for the ‘AWK and SED’ Category

Awk One Liners

Print column1, column5 and column7 of a data file or output of any columns list awk ‘{print $1, $5, $7}’ data_file cat file_name |awk ‘{print $1 $5 $7}’ ls –al |awk ‘{print $1, $5, $7}’ — Prints file_permissions,size and date List all files names whose file size greater than zero. ls –al |awk ‘$5 > [...]

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AWK Tutorial

COINS.txt gold     1      1986  USA                            American Eagle gold     1      1908  Austria-Hungary     Franz Josef 100 Korona silver  10     1981  USA                           ingot gold     1      1984  Switzerland             ingot gold     1      1979  RSA                           Krugerrand gold     0.5   1981  RSA                           Krugerrand gold     0.1   1986  PRC                           Panda silver   1      1986  USA                           Liberty dollar gold     0.25 1986  USA                          Liberty 5-dollar piece silver   0.5   [...]

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