1 files changed, 30 insertions, 0 deletions
diff --git a/src/jo_lowbat.cpp b/src/jo_lowbat.cpp
index 56fe655..ab74eaf 100644
--- a/src/jo_lowbat.cpp
+++ b/src/jo_lowbat.cpp
@@ -1,5 +1,8 @@
 #include <jo_lowbat.hpp>
 #include <iostream>
+#include <array>
+#include <memory>
+#include <algorithm>
 
 using namespace std;
 
@@ -11,3 +14,30 @@ Lowbat::jo_testAcpi(void) {
 	}
 	return 0;
 }
+
+string
+jo_exec(const char* cmd) {
+    array<char, 128> buffer;
+    string result;
+    unique_ptr<FILE, decltype(&pclose)> pipe(popen(cmd, "r"), pclose);
+    if (!pipe) {
+        throw runtime_error("popen() failed!");
+    }
+    while (fgets(buffer.data(), buffer.size(), pipe.get()) != nullptr) {
+        result += buffer.data();
+    }
+    return result;
+}
+
+string
+Lowbat::jo_fetchBatlvl(void) {
+	string	batlvl;
+	uint8_t batlvlint;
+
+	cout << "Fetching batlvl: ";
+	batlvl = this->jo_exec("acpi | awk '{print $4}' | rev | cut -c 3- | rev");
+	batlvl.erase(remove(batlvl.begin(), batlvl.end(), '\n'), batlvl.end());
+	batlvlint = stoi(batlvl);
+	cout << batlvlint << "%" << endl;
+	return (batlvl);
+}