CDE

Task/Execute-a-system-command/Perl/execute-a-system-command.pl

@@ -0,0 +1,13 @@
+my @results = qx(ls);
+# runs command and returns its STDOUT as a string
+my @results = `ls`;
+# ditto, alternative syntax
+
+system "ls";
+# runs command and returns its exit status; its STDOUT gets output to our STDOUT
+
+print `ls`;
+#The same, but with back quotes
+
+exec "ls";
+# replace current process with another