parser: fix ulimit only running in Mac OS

CHANGELOG.md

@@ -7,9 +7,9 @@
 ### App
 
 - General
+  - Added height datasets and many optimizations to make them usable
   - Added a light theme
 - Charts
-  - Added height datasets and many optimizations to make them usable
   - Added split panes in order to have the vertical axis visible for all datasets
   - Added min and max values on the charts
   - Fixed legend hovering on mobile not resetting on touch end

parser/run.sh

@@ -2,15 +2,17 @@
 
 # https://stackoverflow.com/questions/31389483/find-and-delete-file-or-folder-older-than-x-days
 
-# For Mac OS users
-if [ "$(uname)" == "Darwin" ]; then
+if command -v ulimit &> /dev/null; then
     echo "Increasing limit of opened files..."
     ulimit -n 1000000 # Can't be $(ulimit -Hn), bitcoind needs some too !
 
     # Needed because the datasets tree is too big lol
     echo "Increasing stack size..."
     ulimit -s $(ulimit -Hs)
+fi
 
+# For Mac OS users
+if [ "$(uname)" == "Darwin" ]; then
     if mdutil -s / | grep "enabled"; then
         echo "Disabling spotlight indexing..."
         sudo mdutil -a -i off &> /dev/null