public override string command_function()
{
if (argv.Length != 2)
{
return(malformed_error + "\n" + usage);
}
IGC_FileSystem fs = virtualSystem.fileSystem;
IGC_URL url = fs.ParseURL(argv [1], issuer.cwd);
IGC_File file = fs.GetFile(url.fullpath);
if (file == null)
{
return(url.fullpath + " does not exits");
}
if (!fs.CanEditFile(file, issuer))
{
return("you do not have permission to edit this file");
}
issuer.terminal.shell.EnterEditMode(file);
return("");
}