Use generic calcAndRun

install.sh

@@ -333,61 +333,16 @@ networkConf() {
     unset hostname
 }
 
-calcWidthDialog() {
-    str=$1; count=1; found=false; option=1
-    for (( i = 0; i < ${#str}; i++ )); do
-        if [ "${str:$i:1}" = "\\" ] && [ "${str:$((i+1)):1}" = "n" ]; then
-            [ $count -ge $option ] && option=$count
-            found=true
-            count=-1
-        fi
-        ((count++))
-    done
-    [ $option -ge $count ] && count=option
-    echo $((count+3))
-}
-
-calcHeightDialog() {
-    newlines=$(printf "$1" | grep -c $'\n')
-    chars=$(echo "$1" | wc -c)
-    height=$(echo "$chars" "$newlines" | awk '{
-        x = (($1 - $2 + ($2 * 60)) / 60)
-        printf "%d", (x == int(x)) ? x : int(x) + 1
-    }')
-    echo $((4+height))
-}
-
-calcWidthAndRun() {
+calcAndRun() {
     argc="$#"; i=1
     for item in "$@"; do
-        if [ $i -eq $((argc-2)) ]; then
-            str="$item"
-            break
-        fi
+        [ $i -eq $((argc-2)) ] && str="$item"
+        [ "$item" = "WIDTH" ] && { function="calcWidthDialog"; dimName="width"; }
+        [ "$item" = "HEIGHT" ] && { function="calcHeightDialog"; dimName="height"; }
         ((i++))
     done
-    width=$(calcWidthDialog "$str")
-    comm=$(echo "$@" | sed "s/WIDTH/$width/g")
-    if [[ $comm != *"3>&1 1>&2 2>&3" ]]; then
-        comm="${comm} 3>&1 1>&2 2>&3"
-    fi
-    commOutput=$(eval "$comm")
-    exitStatus=$?
-    [ -n "$commOutput" ] && echo "$commOutput"
-    return $exitStatus
-}
-
-calcHeightAndRun() {
-    argc="$#"; i=1
-    for item in "$@"; do
-        if [ $i -eq $((argc-2)) ]; then
-            str="$item"
-            break
-        fi
-        ((i++))
-    done
-    height=$(calcHeightDialog "$str")
-    comm=$(echo "$@" | sed "s/HEIGHT/$height/g")
+    dim=$($function "$str")
+    comm="${*//${dimName^^}/$dim}"
     if [[ $comm != *"3>&1 1>&2 2>&3" ]]; then
         comm="${comm} 3>&1 1>&2 2>&3"
     fi