AWK tutorial: find and kill process use awk
Step 1. View the process ID pid of the top command.
Step 2. Use the awk command to get the process ID.
Step 3. Use...
AWK tutorial: awk -F and awk BEGIN{ FS … }
Usually, when I use awk for text processing, I prefer to use the awk -F option for text field separation. Of course, we can also...
AWK tutorial: awk regex example
What Is Regex?
Types of Regex:BRE and ERE. Awk using BRE regex Patterns, Special Characters; Awk using ERE regex Patterns, matches the start...
use the linux command to find the max value and print
Mostly used for log processing, there are several ways: first way: awk -v, second way: awk+sort+head, Third way: sed+sort+head, fourth way: sort -t+head ......
Linux shell batch move files, delete spaces, rename files
1. Use linux find, move files in batch;
2. Use linux find, delete empty directories in batch;
3. Use shell while loop, batch delete spaces in file...
awk loop example: awk for and while
awk for loop:
awk -F"#" '{for(i=1;i<=NF;i++) { ... }' t.txt; awk for loop array:
awk 'BEGIN{a["km"] = "m";a["kn"] = "n";for(i in a) {...}}'; awk while loop:
awk -F"#"...
AWK tutorial: three ways of awk execution
Linux awk command execution ways: 1. Command line execution Detailed introduction of syntax, see 《Linux awk》 2. Shell script file execution Explanation: !/usr/bin/awk The first...
awk NR FNR difference
Linux awk command can use variables NR and FNR to process multiple files. NR : ordinal number of the current record, multiple files self-increase FNR...
AWK tutorial: awk sort uniq
In daily development, we often use awk command to cut and sort log file columns and count them. awk sort uniq count example awk column...
AWK tutorial: split on character awk or cut
In the previous article, we introduced the use of linux awk for string cutting. Here we introduce a method. use awk -F parameter use awk...
AWK tutorial: awk [-F] print example
- awk print last field
- print line number per line
- print specific columns
- use -F specifies a delimiter...
AWK tutorial: awk remove last character
awk remove last character use awk length and substr functions...
awk command tutorial in linux/unix with examples and use cases
linux awk tutorial: syntax, options, workflow, built-in variables, built-in functions, custom functions, conditional judgment, and usage examples....
AWK tutorial: awk save to file
AWK save to file AWK append to file...
Awk tutorial: awk man
awk man...