JScore - Shell/Bash

JScore is a JavaScript engine that can be used to embed scripting capabilities to a C/C++ application. One of its components is Shell/Bash, which allows developers to execute shell commands and scripts from within a C/C++ program.

Advantages of Shell/Bash

• Easy integration with C/C++ applications
• Ability to manipulate files and directories
• Access to system information and network resources
• Ability to automate tasks and processes
• Familiarity and ease of use for developers with shell scripting experience

Getting Started

To use Shell/Bash in your C/C++ application, you will need to include the jscore/shell.h header file, link the libshell.a library, and initialize the JSContext.

#include <jscore/shell.h>

int main(int argc, char** argv) {
  JSContext* context = JSGlobalContextCreate(NULL);
  JS_Shell_Init(context);

  // Execute shell command
  JS_Shell_RunCommand(context, "ls -l");

  JSGlobalContextRelease(context);
  return 0;
}

API Overview

JS_Shell_Init(JSContext* context)

Initializes the Shell/Bash component. This function should be called after creating the JSContext object.

JS_Shell_RunCommand(JSContext* context, const char* command)

Executes a shell command and prints the output to the console.

JS_Shell_RunCommand(context, "ls -l");

JS_Shell_RunScript(JSContext* context, const char* script)

Executes a shell script and prints the output to the console.

JS_Shell_RunScript(context, "echo \"Hello World!\"");

JS_Shell_GetOutput(JSContext* context)

Retrieves the output of the last executed shell command or script.

JS_Shell_RunCommand(context, "ls -l");
JSStringRef output = JS_Shell_GetOutput(context);

JS_Shell_SetEnvironment(JSContext* context, const char* name, const char* value)

Sets an environment variable that will be used in the shell commands and scripts.

JS_Shell_SetEnvironment(context, "MYVAR", "hello");
JS_Shell_RunScript(context, "echo $MYVAR");

JS_Shell_SetWorkingDirectory(JSContext* context, const char* path)

Sets the working directory for the shell commands and scripts.

JS_Shell_SetWorkingDirectory(context, "/usr/local/bin");
JS_Shell_RunCommand(context, "ls");

Conclusion

Shell/Bash is a powerful component of the JScore JavaScript engine that allows developers to leverage the power of shell scripting in their C/C++ applications. With its ease of use and familiar syntax, it is a great tool for developers looking to automate tasks and manipulate system resources.