Check if stdin is a tty (#23)

Fuddl1 · web-flow · commit b6e12dde577f · 2026-01-09T10:41:25.000+01:00
diff --git a/RailControl.cpp b/RailControl.cpp
@@ -24,7 +24,7 @@ along with RailControl; see the file LICENCE. If not see
 #include <iostream>
 #include <signal.h>
 #include <sstream>
-#include <unistd.h>		//close;
+#include <unistd.h>		//close; isatty
 #include <vector>
 
 #include "ArgumentHandler.h"
@@ -183,7 +183,7 @@ int main (int argc, char* argv[])
 		// wait for q or r followed by \n or SIGINT or SIGTERM
 		do
 		{
-			if (silent)
+			if (!isatty(STDIN_FILENO) || silent)
 			{
 				Utils::Utils::SleepForSeconds(1);
 			}

Original file line number	Diff line number	Diff line change
`@@ -24,7 +24,7 @@ along with RailControl; see the file LICENCE. If not see`
`24`	`24`	`#include <iostream>`
`25`	`25`	`#include <signal.h>`
`26`	`26`	`#include <sstream>`
`27`		`-#include <unistd.h> //close;`
	`27`	`+#include <unistd.h> //close; isatty`
`28`	`28`	`#include <vector>`
`29`	`29`
`30`	`30`	`#include "ArgumentHandler.h"`
`@@ -183,7 +183,7 @@ int main (int argc, char* argv[])`
`183`	`183`	`// wait for q or r followed by \n or SIGINT or SIGTERM`
`184`	`184`	`do`
`185`	`185`	`{`
`186`		`- if (silent)`
	`186`	`+ if (!isatty(STDIN_FILENO) \|\| silent)`
`187`	`187`	`{`
`188`	`188`	`Utils::Utils::SleepForSeconds(1);`
`189`	`189`	`}`