diff --git a/src/tools/cat b/src/tools/cat
index f91d408c..97b366e9 100755
--- a/src/tools/cat
+++ b/src/tools/cat
@@ -2,11 +2,16 @@
 
 files=$1
 
-if [ -e $files ]
-then
-    cat /dev/null > $2
-    for file in $files
-    do
+# Make target file empty
+cat /dev/null > $2
+
+# Attach each file from the specified mask to the target file
+for file in $files
+do
+    # Process a file only if it exists
+    if [ -e $file ]
+    then
+        # Append content of the current file to the target file
         cat $file >> $2
-    done
-fi
\ No newline at end of file
+    fi
+done
\ No newline at end of file