📝 Many updates

scripts/sdir

@@ -1,23 +1,22 @@
 #!/bin/bash
-
 # A simple bookmarking alias used in conjunction with rdir and our $HOME/.aliases file to bookmark our current directory to be returned to later using rdir.
+# make sure we don't overwrite our .shrc
+set -o noclobber
+# save our current working directory
+sdir=$(pwd)
 
+# grabs the rc file of preferred shell (only works with bash and zsh currently)
+shellrc=.$(echo "$SHELL" | awk -F '/' '{ print $NF }')rc
 # grabs the last line of our .zshrc, and grabs the first word
-last_line_first_word=$(awk '{w=$1} END{print w}' $HOME/.zshrc)
+last_line_first_word=$(awk '{w=$1} END{print w}' "$HOME"/"$shellrc")
 
 # if the last line of our rc file begins with "export"...
 # remove the last line of our rc file
 if [[ $last_line_first_word == "export" ]] ; then
-    sed -i '$ d' $HOME/.zshrc
+    sed -i '$ d' "$HOME"/"$shellrc"
 fi
 
-# save our current working directory
-sdir=$(pwd)
-
-# make sure we don't overwrite our .zshrc
-set -o noclobber
-
-# and write that directory temporarily, appending it onto the end of our .zshrc
-echo 'export sdir='$sdir >> $HOME/.zshrc
+# and write that directory temporarily, appending it onto the end of our rc
+echo 'export sdir='"$sdir" >> "$HOME"/"$shellrc"
 # immediately source it to use it in this shell session
-source $HOME/.zshrc
+source "$HOME"/"$shellrc"