jscanner

commit 656187dcc5fb357f82c1b628cbc2155824404ca5
parent fa7fd9f91375dfd2e9d3e7fb0eee99181e7ea475
Author: Matthias Jaros <jaros@mailbox.org>
Date:   Mon,  6 Apr 2026 20:24:01 +0200

Replaced use of cut with java regex matcher

Diffstat:
M
src/main/java/com/it_jaros/network_scanner/ProgressBar.java
 | 
15
+++++++++++----

1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/src/main/java/com/it_jaros/network_scanner/ProgressBar.java b/src/main/java/com/it_jaros/network_scanner/ProgressBar.java
@@ -10,6 +10,8 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.ReentrantLock;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 public class ProgressBar {
 
@@ -21,18 +23,23 @@ public class ProgressBar {
 
     private static int getColumnWidth() {
         try {
-            Process process = new ProcessBuilder("sh", "-c", "stty size < /dev/tty | cut -d' ' -f2").start();
+            Process process = new ProcessBuilder("sh", "-c", "stty size < /dev/tty").start();
 
             try (BufferedReader reader = new BufferedReader(
                     new InputStreamReader(process.getInputStream()))) {
                 String line = reader.readLine();
                 if (line != null && !line.isBlank()) {
-                    return Integer.parseInt(line.trim());
+                    Matcher matcher = Pattern.compile("^\\d+\\s+(\\d+)").matcher(line.trim());
+                    if (matcher.matches()) {
+                        return Integer.parseInt(matcher.group(1));
+                    }
                 }
             }
-        } catch (Exception ignored) {}
+        } catch (Exception ignored) {
+            // does not matter why it did not work
+        }
 
-        return 80;
+        return 120;
     }
 
     public void start() {