Adjust launch-reaper scripts a bit, also add two general scripts

src_files/.local/scripts/convert

@@ -0,0 +1,33 @@
+#! /bin/zsh
+
+# simple unit-conversion util, partly made for fun, not much here so far
+
+conversionUnits=$1
+inputsToConvert=($argv[2,-1])
+
+function cmToIn() {
+	result=$(( 1 / 2.54 * $1 ))
+	printf '%.1f cm => %.2f in\n' $1 $result
+}
+
+function inToCm() {
+	result=$(( 2.54 * $1 ))
+	printf '%.2f in => %.1f cm\n' $1 $result
+}
+
+function unsupportedUnits() {
+	echo "unsupported conversion units given: $conversionUnits"
+	exit 1
+}
+
+funcRef=exit # not sure what a good default function is, using exit
+case $conversionUnits in
+	(cm|cm-in) funcRef=cmToIn
+		;;
+	(in|in-cm) funcRef=inToCm
+		;;
+	(*) funcRef=unsupportedUnits
+		;;
+esac
+
+for i in $inputsToConvert; do $funcRef $i; done