AWK Tutorial: 25 Practical Examples of AWK Command in Linux

A. Basic Usage of awk CommandB. Using Arrays in awkC. Field and Record Separator MagicD. Field FormattingE. Using String Functions in awkF. Working with External Commands in awkConclusion1. Print all linesThis example is mostly useless, but it will nevertheless be a good introduction the AWK syntax: AWK programs are made of one or many pattern { action }statements. If, for a given record (“line”) of the input file, the pattern evaluates to a non-zero value (equivalent to “true” in AWK), the com2. Remove a file header1which obviously is not true. Since this program is using the default values for RS, in practice it will discard the first line of the input file.">Remember, this is the equivalent of writing explicitly: This one-liner will write records of the input file except for the very first one since in that case the condition is 1>1which obviously is not true. Since this program is using the default values for RS, in practice it will discard the first line of th在linuxhandbook上4 6