Wrote script to clean up LaTeX build files

Used Shellcheck to change all my scripts to bash and lint them. Exported my
scripts to $PATH. Fixed my liked Arch packages.

scripts/sync-shortcuts

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+# Shell rc file (i.e. bash vs. zsh, etc.)
+shellrc="$HOME/.zshrc"
+
+# Config locations
+folders="$HOME/linux-config/txt/key_dirs.txt"
+configs="$HOME/linux-config/txt/key_files.txt"
+
+# Output locations
+shell_shortcuts="$HOME/.shortcuts"
+ranger_shortcuts="$HOME/.config/ranger/shortcuts.conf"
+
+# Remove
+rm -f "$ranger_shortcuts" 2>/dev/null
+echo "alias \\" > "$shell_shortcuts"
+
+# Ensure text of argument 1 exists in the file argument 2
+ensure() { (grep "$1" "$2")>/dev/null 2>&1 || echo "$1" >> "$2" ;}
+
+ensure "source $shell_shortcuts" "$shellrc"
+ensure "source $HOME/.config/ranger/shortcuts.conf" "$HOME/.config/ranger/rc.conf"
+
+# Format the `folders` file in the correct syntax and sent it to all three configs.
+sed "s/#.*$//;/^$/d" "$folders" | tee >(awk '{print $1"=\"f "$2"\" \\"}' >> "$shell_shortcuts") \
+	| awk '{print "map f"$1" cd "$2"\nmap t"$1" tab_new "$2"\nmap m"$1" shell mv -v %s "$2"\nmap Y"$1" shell cp -rv %s "$2}' >> "$ranger_shortcuts"
+
+# Format the `configs` file in the correct syntax and sent it to both configs.
+sed "s/#.*$//;/^$/d"  "$configs" | tee >(awk '{print "v"$1"=\"$EDITOR "$2"\" \\"}' >> "$shell_shortcuts") \
+	| awk '{print "map v"$1" shell $EDITOR "$2}' >> "$ranger_shortcuts"