Add launch scripts for reaper, update some related ENV vars

src_files/.local/bin/launch-reaper

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# trying the "portable install" option; using this launch script to point to that
+source "$XDG_CONFIG_HOME/zsh/.zshenv"
+reaper_portable_exec_linux="$DIR_REAPER_PORTABLE_LINUX/REAPER/reaper"
+reaper_portable_ini_file_linux="$DIR_REAPER_PORTABLE_LINUX/reaper-config/reaper.ini"
+
+[[ ! -x "$reaper_portable_exec_linux" ]] && {
+    echo "reaper missing or not executable: $reaper_portable_exec_linux" >&2
+    exit 1
+}
+[[ ! -r "$reaper_portable_ini_file_linux" ]] && {
+    echo "reaper.ini missing or not readable: $reaper_portable_ini_file_linux" >&2
+    exit 1
+}
+
+nohup \
+    $reaper_portable_exec_linux \
+    -cfgfile $reaper_portable_ini_file_linux \
+    > /dev/null 2>&1 \
+    &