From: Einar Jørgen Haraldseid <einar.haraldseid@ntnu.no>
Date: Mon, 12 Jun 2017 12:49:31 +0000 (+0200)
Subject: Bedre måte å vite array-størrelsen
X-Git-Url: https://git.slaskete.net/einar-bin/commitdiff_plain/f485c3303a579bd4f135730164d9a0dd22d8f646?ds=sidebyside

Bedre måte å vite array-størrelsen
---

diff --git a/middag.sh b/middag.sh
index 9f2b66b..dbb0e14 100755
--- a/middag.sh
+++ b/middag.sh
@@ -24,28 +24,13 @@ Sides=(
  'salat'
 )
 
-PrepCount=0
-while [ "x${Prep[PrepCount]}" != "x" ]; do
- ((PrepCount++))
-done
-
-MeatCount=0
-while [ "x${Meat[MeatCount]}" != "x" ]; do
- ((MeatCount++))
-done
-
-SideCount=0
-while [ "x${Sides[SideCount]}" != "x" ]; do
- ((SideCount++))
-done
-
 PrepN=$RANDOM
-(( PrepN %= $PrepCount ))
+(( PrepN %= ${#Prep[@]} ))
 
 MeatN=$RANDOM
-(( MeatN %= $MeatCount ))
+(( MeatN %= ${#Meat[@]} ))
 
 SideN=$RANDOM
-(( SideN %= $SideCount ))
+(( SideN %= ${#Sides[@]} ))
 
 echo "${Prep[PrepN]} ${Meat[MeatN]} med ${Sides[SideN]}"