non-zero exit codes on syntax error and newlines

[adrelanos]

How to reproduce:

str_replace.pl a

---

Actual result:

Usage: str_replace Search Replace File
Or: STDIN str_replace Search Replace$

No new line at the end. (The $ is my shell prompt.) Exit code is 0.

---

Expected result:

Usage: str_replace Search Replace File
Or: STDIN str_replace Search Replace

Non-zero exit code such as 1.

[Samer-Al-iraqi]

fixed!