Linux awk Command

awk is a language for working with text files, a powerful text analysis tool, and awk is the initials of the three founders.

Syntax:

awk [option parameter] ' script ' Var=value file (s) or awk [option parameter]-F scriptfile var=value file (s)

Option parameter description:

-F FS or--field-separator FS

Specifies the input file delimiter, FS is a string or is a regular expression, such as-f

-V Var=value or--asign var=value

Assigning a user-defined variable

-MF nnn AND-MR nnn

Set intrinsic limits on the NNN value, the-MF option limits the maximum number of project blocks assigned to NNN, the-MR option limits the maximum number of records, and these two features are the extended functionality of the Bell Lab version of AWK, which is not applicable in standard awk.

-W compact or--compat,-w traditional or--traditional

Run awk in compatibility mode, so gawk behaves like standard awk, and all awk extensions are ignored.

Example:

$ Awk-va=1 ' {print $1,$1+a} ' Log.txt

2 3

3 4

This ' s 1

10 11

$ Awk-va=1-vb=s ' {print $1,$1+a,$1b} ' Log.txt

2 3 2s

3 4 3s

This ' s 1 this ' SS

10s

Operator:

Linux awk Command