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...
AWK tutorial: awk newline character
How to use Awk print out a newline character in a string ？？？...
AWK tutorial: awk workflow
AWK follows a simple workflow − Read, Execute, and Repeat. BODY block This block is the core of the awk command. It consists of three...
awk if else and nested if else statements with examples
Awk if else condition judgment statement is to provide command branch control, awk if else syntax: if(condition) { action 1 } else { action...
awk system batch operation
1. use awk command batch creation of files
awk 'BEGIN {do {++i; system("touch file_num_" i "_test") } while (i<9) }' .........