util_find_pid: R function to find PID of active applications

In vzhomeexperiments/lazytrade: Learn Computer and Data Science using Algorithmic Trading

R function to find PID of active applications

Description

Utility function to find PID of the working terminal.exe application Function is created to generate a system call to programmatically close any given application

Usage

util_find_pid(tasks_running = t_running, pid_pattern = "terminal.exe")

Arguments

tasks_running	string, vector with system tasks
pid_pattern	string, pattern value to search application with

Details

Function is executing a system command to get all processes running on the OS Retrieved data is cleaned and organized to filter on required process Function can also be used to track specific applications defined by the user

Value

string with system kill command to close selected application

Author(s)

(C) 2021 Vladimir Zhbanko

Examples

library(magrittr)
library(tibble)
library(stringr)
library(dplyr)

#library(readr)


dir <- normalizePath(tempdir(),winslash = "/")


#tasks_running <- system("tasklist", intern = TRUE)
#writeLines(tasks_running, con = file.path(dir,'tasks_running.txt'))
#t_running <- readLines(con = file.path(dir,'tasks_running.txt'))

tasks_list = system.file("extdata", "tasks_running.txt",
                  package = "lazytrade")

t_running <- readLines(con = tasks_list)

#generate task kill command for this application
util_find_pid(tasks_running = t_running,
              pid_pattern = 'terminal.exe')

util_find_pid(tasks_running = t_running,
              pid_pattern = 'chrome.exe')

vzhomeexperiments/lazytrade documentation built on Feb. 20, 2024, 6:09 p.m.