refactor: simplify dotfiles configuration

bash_tools.sh

@@ -1,70 +1,38 @@
-# args:
-# $1: 
-# The IP address you want to query geo info for.
-# If no argument supplied, the host machine's ip will
-# be used
-# doc for api: https://ip-api.com/docs/api
+# Bash-only interactive shell helpers.
+[[ -n ${BASH_VERSION:-} ]] || return 0
 
-if [ -n "$ZSH_NAME" ]; then 
-    SHELL_NAME=zsh
-    DOTFILE_DIR=${0:a:h}/
-    # enable emacs key bindings
-    bindkey -e
-    source $DOTFILE_DIR/bash_tools/theme_zsh.sh
-elif [ -n "$SHELL" ];then
-    SHELL_NAME=bash
-    DOTFILE_DIR=$(dirname ${BASH_SOURCE[0]})/
-    source $DOTFILE_DIR/bash_tools/theme_bash.sh
-fi
-
-## ENVIRONMENT
+DOTFILE_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
 
 export EDITOR='vim'
-export PATH=$PATH:~/.local/bin
+export VISUAL="$EDITOR"
+case ":$PATH:" in
+  *":$HOME/.local/bin:"*) ;;
+  *) export PATH="$PATH:$HOME/.local/bin" ;;
+esac
 
-# For references:
-# https://askubuntu.com/questions/466198/how-do-i-change-the-color-for-directories-with-ls-in-the-console
+# shellcheck source=bash_tools/theme_bash.sh
+source "$DOTFILE_DIR/bash_tools/theme_bash.sh"
+# shellcheck source=bash_tools/ls_colors_theme.sh
+source "$DOTFILE_DIR/bash_tools/ls_colors_theme.sh"
 
-# We use vivid to generate configuration for LS_COLORS
-# more info: https://github.com/sharkdp/vivid
-source $DOTFILE_DIR/bash_tools/ls_colors_theme.sh
-alias ls='ls --color=auto'
+if ls --color=auto -d . >/dev/null 2>&1; then
+  alias ls='ls --color=auto'
+elif [[ $OSTYPE == darwin* ]]; then
+  alias ls='ls -G'
+fi
 
-# get ipinfo of the machine
-function ipinfo(){
-    local api_str="http://ip-api.com/json/$1?fields=query,country,regionName,city,district,zip,isp,org,reverse,mobile,proxy,hosting"
-    if ! hash python; then
-        curl "$api_str"
-    else
-        curl -s "$api_str" | python -m json.tool
-    fi
+# Search for a literal string. Usage: fct <directory> <text>
+fct() {
+  (($# == 2)) || { printf 'Usage: fct <directory> <text>\n' >&2; return 2; }
+  if command -v rg >/dev/null 2>&1; then
+    rg -n --fixed-strings -- "$2" "$1"
+  else
+    grep -Rnw -- "$1" -e "$2"
+  fi
 }
 
-# find file contain certain text string($2) in certain directory($1)
-function fct(){
-    grep -rnw $1 -e $2
+# Query dict.org. Usage: odict <word>
+odict() {
+  (($# == 1)) || { printf 'Usage: odict <word>\n' >&2; return 2; }
+  curl --fail --silent --show-error "dict://dict.org/d:$1"
 }
-
-# online directory
-function odict(){
-   curl dict://dict.org/d:"${1}"
-}
-
-# self host directory
-function dict(){
-    python $DOTFILE_DIR/bash_tools/dict.py $1 $2
-}
-
-# set_wallpaper() function
-source $DOTFILE_DIR/bash_tools/wallpaper.sh
-
-#
-#  Command Configuration
-#
-
-# -A: get rid of . and ..
-# -t: Sort by time. Display the newest first
-#alias ls=ls -At
-
-source $DOTFILE_DIR/bash_tools/fzf_file_seletor.sh
-