Golang program to check specified shell command exists or not
belongs to collection: Golang Shell Script Programs
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Severity: 8192
Message: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated
Filename: libraries/Filtered_db.php
Line Number: 23
belongs to collection: Golang Shell Script Programs
total answers (1)
Program/Source Code:
The source code to check specified shell command exists or not is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.
Output:
Explanation:
In the above program, we declare the package main. The main package is used to tell the Go language compiler that the package must be compiled and produced the executable file. Here, we imported the required packages to predefined functions.
In the main() function, we checked the specified command is exist or not using exec.LookPath() function. The exec.LookPath() function returns error, if specified command is not exist. And, we printed appropriate messages based on specified shell command on the console screen.
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