cleaup macos bashrx

macOS/.bash_profile

@@ -2,4 +2,3 @@
 export PROMPT_COMMAND='echo -ne "\x1b]0;$PWD\x07"'
 
 [ -r "$HOME"/.bashrc ] && . "$HOME/.bashrc"
-[ -r "$HOME"/.cargo/env ] &&. "$HOME/.cargo/env"

macOS/.bashrc

@@ -85,7 +85,7 @@ export BAT_THEME="OneHalfLight"
 
 export INPUTRC=~/.inputr
 
-gems=$(find "$HOME"/.gem/ruby -maxdepth 2 -type d -name bin);
+[[ -r "$HOME"/.gem/ruby ]] && gems=$(find "$HOME"/.gem/ruby -maxdepth 2 -type d -name bin);
 
 prepend_path "/usr/local/bin" "$HOME/.cargo/bin" "/usr/local/opt/ruby/bin" "$gems" "$HOME/go/bin" "$HOME/bin"
 
@@ -93,39 +93,6 @@ append_path "/usr/local/texlive/2018/bin/x86_64-darwin/"
 
 [[ -r "$HOME/.cargo/env" ]] && . "$HOME/.cargo/env"
 
-# if [[ ! $PATH = *usr/local* && -d /usr/local/bin ]] ; then 
-#   # export PATH=/usr/local/sbin:$PATH
-#   export PATH=/usr/local/bin:$PATH
-# fi
-
-# if [[ ! $PATH = *cargo/bin* && -d $HOME/.cargo/bin ]] ; then 
-#   export PATH="$HOME/.cargo/bin:$PATH"
-# fi
-
-# if [[ ! $PATH = *openjdk/bin* && -d /usr/local/opt/openjdk/bin ]] ; then 
-#   export PATH="/usr/local/opt/openjdk/bin:$PATH"
-#   export CPPFLAGS="-I/usr/local/opt/openjdk/include"
-# fi
-
-# if [[ ! $PATH = *texlive/2018* && -d /usr/local/texlive/2018/bin/x86_64-darwin/ ]] ; then 
-#   export PATH=$PATH:/usr/local/texlive/2018/bin/x86_64-darwin/
-# fi
-
-# if [[ -d /usr/local/opt/ruby/bin ]]; then
-#   if [[ ! $PATH = *opt/ruby/bin* ]] ; then 
-#     export PATH="/usr/local/opt/ruby/bin:$PATH"
-#   else
-#     export PATH=/usr/local/opt/ruby/bin:"${PATH/':/usr/local/opt/ruby/bin'/}";
-#   fi
-# fi
-
-# gems=$(find "$HOME"/.gem/ruby -maxdepth 2 -type d -name bin);
-# if [[ -n $gems ]]; then
-#   if [[ ! $PATH = */.gem/ruby/* ]] ; then 
-#     export PATH="$gems:$PATH";
-#   fi
-# fi
-
 ramdisk(){
   if [[ ! -d /Volumes/ramdisk ]]; then
     local default=${1:-24} # 24 GB default