cpp mode

1 files changed, 15 insertions, 0 deletions

diff --git a/src/jo_exec.cpp b/src/jo_exec.cpp
new file mode 100644
index 0000000..a97012c
--- /dev/null
+++ b/src/jo_exec.cpp
@@ -0,0 +1,15 @@
+#include <jo_lowbat.hpp>
+
+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;
+}