Another update from ingydotnet^djgoku

Task/Loop-over-multiple-arrays-simultaneously/UNIX-Shell/loop-over-multiple-arrays-simultaneously-2.sh

@@ -1,6 +1,9 @@
-a=(a b c)
-b=(A B C)
-c=(1 2 3)
-for ((i = 0; i < ${#a[@]}; i++)); do
-  echo "${a[$i]}${b[$i]}${c[$i]}"
+A='a1 a2 a3'
+B='b1 b2 b3'
+
+set -- $B
+for a in $A
+do
+    printf "$a $1\n"
+    shift
 done

Task/Loop-over-multiple-arrays-simultaneously/UNIX-Shell/loop-over-multiple-arrays-simultaneously-3.sh

@@ -1,8 +1,6 @@
-set -A a a b c
-set -A b A B C
-set -A c 1 2 3
-((i = 0))
-while ((i < ${#a[@]})); do
+a=(a b c)
+b=(A B C)
+c=(1 2 3)
+for ((i = 0; i < ${#a[@]}; i++)); do
   echo "${a[$i]}${b[$i]}${c[$i]}"
-  ((i++))
 done

Task/Loop-over-multiple-arrays-simultaneously/UNIX-Shell/loop-over-multiple-arrays-simultaneously-4.sh

@@ -1,6 +1,8 @@
-a=(a b c)
-b=(A B C)
-c=(1 2 3)
-for ((i = 1; i <= $#a; i++)); do
-  echo "$a[$i]$b[$i]$c[$i]"
+set -A a a b c
+set -A b A B C
+set -A c 1 2 3
+((i = 0))
+while ((i < ${#a[@]})); do
+  echo "${a[$i]}${b[$i]}${c[$i]}"
+  ((i++))
 done

Task/Loop-over-multiple-arrays-simultaneously/UNIX-Shell/loop-over-multiple-arrays-simultaneously-5.sh

@@ -1,8 +1,6 @@
-set a=(a b c)
-set b=(A B C)
-set c=(1 2 3)
-@ i = 1
-while ( $i <= $#a )
-	echo "$a[$i]$b[$i]$c[$i]"
-	@ i += 1
-end
+a=(a b c)
+b=(A B C)
+c=(1 2 3)
+for ((i = 1; i <= $#a; i++)); do
+  echo "$a[$i]$b[$i]$c[$i]"
+done

Task/Loop-over-multiple-arrays-simultaneously/UNIX-Shell/loop-over-multiple-arrays-simultaneously-6.sh

@@ -0,0 +1,8 @@
+set a=(a b c)
+set b=(A B C)
+set c=(1 2 3)
+@ i = 1
+while ( $i <= $#a )
+	echo "$a[$i]$b[$i]$c[$i]"
+	@ i += 1
+end