tasks a-s

2013-04-10 23:57:08 -07:00 · 2013-04-10 23:57:08 -07:00 · b83f433714
commit b83f433714
parent 47bf37c096
12433 changed files with 156208 additions and 123 deletions
--- a/Task/Respond-to-an-unknown-method-call/UNIX-Shell/respond-to-an-unknown-method-call.sh
+++ b/Task/Respond-to-an-unknown-method-call/UNIX-Shell/respond-to-an-unknown-method-call.sh
@ -0,0 +1,17 @@
+function handle_error {
+  status=$?
+
+  # 127 is: command not found
+  if [[ $status -ne 127 ]]; then
+    return
+  fi
+
+  lastcmd=$(history | tail -1 | sed 's/^ *[0-9]* *//')
+
+  read cmd args <<< "$lastcmd"
+
+  echo "you tried to call $cmd"
+}
+
+# Trap errors.
+trap 'handle_error' ERR