Awk time functions: systime, mktime, strftime
Awk time functions: systime, mktime, strftime. systime: systimeGet the timestamp; mktime: Create the timestamp; strftime: Format the time ......
Awk built-in functions: split, tolower, toupper, sprintf
Awk built-in functions: split, tolower, toupper, sprintf. Splits the parameter specified by the String parameter into the array elements ......
What does /bin/sh -c do in Linux
To solve the problem of command permission, you can expand the scope of permission. Next, we will introduce it to you with an example. For...
Batch change file extension in Linux
In the daily development process, we sometimes need to do some batch operations, as described in the previous article. Today, we will share how to...
Awk built-in functions: index, match, length
Awk's built-in string processing function is the one we use most.we share with you: index, match, length...
Awk built-in functions: gsub, sub, substr
Awk's built-in string processing function is the one we use most. Today, we share with you: gsub, sub, substr....
awk print function in linux
Awk print function is a built-in function of awk, used for prints its arguments on the standard output (or on a file if > file...
ls -r command in Linux
ls -r option lists all files and directories in the current directory in reverse order....
ls -l command in Linux
ls -l option lists all files and directories in the current directory in long listing format....
Awk built-in functions – mathematical functions
awk supports the following built-in mathematical functions: atan2, cos, exp, log, sin, and sqrt....
ls -a command in Linux
ls -a option lists all files and directories in the current directory, including hidden files starting with "."...
Awk built-in variables and custom variables
In awk, variables are divided into two types: built-in variables and user-defined variables....
How to find empty lines in files in Linux
In Linux, there are three ways to find empty lines in files using grep and awk commands....
How to convert a string to lowercase in Linux?
This section describes how to use sed, awk, TR commands to convert strings to lowercase in Linux...
How to use curl to download 302 redirect files in linux
In linux, use the curl command -L option to download the 302 redirected file....