fix

diff --git a/tools/preview/exec_evtbuild_t.pl b/tools/preview/exec_evtbuild_t.pl
index e45096d973a473a0ef9e97c51e002e1a41fbcacf..bacde9b93261d353b00d2cca89d39198c2e211cc 100755 (executable)
--- a/tools/preview/exec_evtbuild_t.pl
+++ b/tools/preview/exec_evtbuild_t.pl
@@ -51,7 +51,7 @@ else{
        $time = 3;
 }
 
-execute("cd $opt_path");
+chdir($opt_path);
 
 $thr1 = threads->new(\&execute, "timeout -s SIGINT ".($time+1.5)." daq_evtbuild -m 1 -q 32 -d file -x te -Se -S boris");
 sleep 1;