Call other programs and get program output (go and Python)

This is a creation in Article, where the information may have evolved or changed.

In the C language , you can call system commands and get output with the systems function, and output redirection can also save the output of the program execution to a file for use, but it is not very convenient to use. Here I introduce the implementation of Python and go language, you can save the output of other programs directly into a variable for the program to use.

The following example uses the LS name, needs to install MinGW, and adds "C:\MinGW\msys\1.0\bin" to the environment variable.

One, using python to invoke other programs, and get output

Example code:

Import OS
var = os.popen ('ls-l'). Read ()
Print var

Operation effect (take my machine for example):

two , use the go language to call other programs , and get output

Go Code:

Package Main

Import (
    "Exec"//"os/exec" in Go1
    "FMT"
)

Func Main () {
    cmd : = Exec. Command ("LS", "-l")
    cmd. Output ()
    Fmt. Printf ("%s\n%s", Buf,err)
}

The results are as follows:

The

Python and go languages are easy to use, so you can choose the one you like. All right, that's it, I hope it helps you.