From fb7b46fca67d8804feeaee38893b369884e7c18d Mon Sep 17 00:00:00 2001
From: Sekulum Forka <dictatorofturkmenistan@protonmail.com>
Date: Wed, 12 May 2021 22:19:26 +0200
Subject: [PATCH] eval and execute: Automatically skips over empty commands
 (those that parse command interprets as empty lists)

---
 src/fsh.nim | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/fsh.nim b/src/fsh.nim
index 2913640..10da1b1 100644
--- a/src/fsh.nim
+++ b/src/fsh.nim
@@ -248,6 +248,8 @@ proc execute(cmd: string): int =
   let strm=cmd.newStringStream
   while not strm.atEnd:
     let parsed = strm.readCommand.parseCommand
+    if parsed == @[]:
+      continue
     let progname = parsed[0]
     let args = parsed[1..parsed.high]
     if progname in builtins:
@@ -264,6 +266,8 @@ proc eval(cmd: string): string =
   let strm=cmd.newStringStream
   while not strm.atEnd():
     let parsed = strm.readCommand.parseCommand
+    if parsed == @[]:
+      continue
     let progname=parsed[0]
     let args = parsed[1..parsed.high]
     if progname in builtins: