Go call other C library, if the command line, not support redirection output resolution; SMP protocol not open, send information to each other, no one responds

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

A lot of time to learn to stand on the shoulders of giants, the use of other existing things must be used, as long as the open source legal

Go call other C library, generally two ways, 1, to see if there is an interface, the use of CGO way to write; 2. Execute directly with the command line, provided that the C library must be called to be installed and run on the machine

To efficiently process GIF files, use the Gifsicle tool

http://download.csdn.net/detail/u010026901/7711469

Redirection conforms to > Error in code, so implementing redirection in code instead of command line redirection

Package Main


Import (
// "Encoding/json"
// "FMT"
"Log"
"OS"
"Os/exec"
)


Func Main () {
F, _: = OS. Create ("Out")
CMD: = Exec.command ("echo", "-n", ' {' "Name": "Bob", "Age": 32} ')
Cmd. Stdout = f
// STDOUT, err: = cmd. Stdoutpipe ()
// If err! = Nil {
// Log. Fatal (ERR)
// }
If err: = cmd. Start (); Err! = Nil {
Log. Fatal (ERR)
}
// var person struct {
// Name string
// Age int
// }
//
// If err: = json. Newdecoder (stdout). Decode (&person); Err! = Nil {
// Log. Fatal (ERR)
// }
If err: = cmd. Wait (); Err! = Nil {
Log. Fatal (ERR)
}
// Fmt. Printf ('%s is%d years old\n ', person. Name, person. Age)
}