The Linux awk text analysis tool

AWK is a language processing text files, text analysis is a powerful tool. Linux environment comes.

awk call methods

1. Command Line
   awk [-F field-separator] 'commands' input-file(s)
2. shell script way
   #!/bin/sh
3. way awk script
   `#!/bin/awk awk -f 脚本文件 待处理文件