bash arithmetic

MenkeTechnologies · MenkeTechnologies · commit 02c41de554c5 · 2026-03-06T20:05:56.000-05:00
diff --git a/scripts/motd.sh b/scripts/motd.sh
@@ -10,7 +10,7 @@ function color (){
 function extend (){
 
     local str="$1"
-    let spaces=60-${#1}
+    (( spaces = 60 - ${#1} ))
     while (( spaces > 0 )); do
         str="$str "
         (( --spaces ))
diff --git a/scripts/secureDelete.sh b/scripts/secureDelete.sh
@@ -105,7 +105,7 @@ for i in "$@"; do
         dd if=/dev/zero of="$file" bs=$blocksize count=$flength
         # Fill with zeros.
         sync # Flush buffers yet again.
-        let "pass_count += 1"
+        (( ++pass_count ))
         echo
     done
 
diff --git a/scripts/sortedArrayCounter.sh b/scripts/sortedArrayCounter.sh
@@ -17,7 +17,7 @@ arr=()
 for i in $PATH; do
     ls $i &>/dev/null
     if [[ $? == 0 ]]; then
-        let "sum += $(ls $i | wc -w)"
+        (( sum += "$(ls $i | wc -w)" ))
 
         IFS="$oldifs"
         for i in $(ls $i); do
