awk Linux Commands<\/p>\n
What is Linux\u00a0awk\u00a0Command?<\/p>\n
Explanation<\/p>\n
awk COMMAND:awk command is used to manipulate the text.This command checks each line of a file, looking for patterns that match those given on the command line.<\/p>\n
SYNTAX:The Syntax is
\nawk ‘{pattern + action}’ {filenames}<\/p>\n
OPTIONS:<\/p>\n
-W version
\nDisplay version information and exit.
\n-F Print help message and exit.<\/p>\n
EXAMPLE:Lets create a file file1.txt and let it have the following data:<\/p>\n
Data in file1.txt14151615151155665251<\/p>\n
To print the second column data in file1.txt<\/p>\n
awk ‘{print $2}’ file1.txt<\/p>\n
This command will manipulate and print second column of text file (file1.txt). The output will look like<\/p>\n
15155625
\nTo multiply the column-1 and column-2 and redirect the output to file2.txt:<\/p>\n
awk ‘{print $1,$2,$1*$2}’ file1.txt > file2.txt<\/p>\n
Command Explanation:
\n$1: Prints 1st\u00a0column
\n$2: Prints 2ndcolumn
\n$1*$2: Prints Result of $1 x $2
\nfile1.txt: input file
\nsymbolfile2.txt: output file<\/p>\n
The above command will redirect the output to file2.txt and it will look like,
\n14 15 21015 15 2255 56 2805 25 125<\/p>\n
Enjoy !<\/span><\/p>\n