Captcha : more simple addition

captcha/captcha.sh

@@ -80,7 +80,9 @@ INTRUS()
 SOMME()
 {
     get_random
-    RA=$(($R % 100))
+    RB=$(($R % 5))
+    get_random
+    RA=$(($R % 10 * (10 ** $RB)))
     
     if [[ $(($INPUT % 2)) -eq 0 ]]; then
         A=$(($INPUT - $RA))

captcha/experimental.sh

@@ -115,7 +115,7 @@ RAND_INDEX=$(($R % ${#TRANSFORMATIONS[@]}))
 convert -size 300x60 xc:none -pointsize 20 \
 	\( -clone 0 -fill black \
 	-stroke black -strokewidth 1 \
-	-annotate "${RAND_ANGLE}x${RAND_ITALIC}+0+0" "\n $(${TRANSFORMATIONS[1]})" \
+	-annotate "${RAND_ANGLE}x${RAND_ITALIC}+0+0" "\n $(${TRANSFORMATIONS[$RAND_INDEX]})" \
 	-roll +$ROLL_X+0 \
 	-wave "$WAVE1_AMPLITUDE"x"$WAVE1_LENGTH" \
 	-roll -$ROLL_X+0 \) \