#!/usr/local/bin/bash # # Create HTML pages for Categories and Tags in posts. # # Usage: # Call from the '_posts' sibling directory. # # v2.2 # https://github.com/cotes2020/jekyll-theme-chirpy # © 2020 Cotes Chung # Published under MIT License set -eu TYPE_CATEGORY=0 TYPE_TAG=1 category_count=0 tag_count=0 _read_yaml() { local _endline="$(grep -n "\-\-\-" "$1" | cut -d: -f 1 | sed -n '2p')" head -"$_endline" "$1" } read_categories() { local _yaml="$(_read_yaml "$1")" local _categories="$(echo "$_yaml" | grep "^categories *:")" local _category="$(echo "$_yaml" | grep "^category *:")" if [[ -n $_categories ]]; then echo "$_categories" | sed "s/categories *: *//;s/\[//;s/\].*//;s/, */,/g;s/\"//g;s/'//g" elif [[ -n "_category" ]]; then echo "$_category" | sed "s/category *: *//;s/\[//;s/\].*//;s/, */,/g;s/\"//g;s/'//g" fi } read_tags() { local _yaml="$(_read_yaml "$1")" echo "$_yaml" | grep "^tags *:" | sed "s/tags *: *//;s/\[//;s/\].*//;s/, */,/g;s/\"//g;s/'//g" } init() { if [[ -d categories ]]; then rm -rf categories fi if [[ -d tags ]]; then rm -rf tags fi if [[ ! -d _posts ]]; then exit 0 fi mkdir categories tags } create_category() { if [[ -n $1 ]]; then local _name=$1 local _filepath="categories/$(echo "$_name" | sed 's/ /-/g' | awk '{print tolower($0)}').html" if [[ ! -f $_filepath ]]; then echo "---" > "$_filepath" echo "layout: category" >> "$_filepath" echo "title: $_name" >> "$_filepath" echo "category: $_name" >> "$_filepath" echo "---" >> "$_filepath" ((category_count = category_count + 1)) fi fi } create_tag() { if [[ -n $1 ]]; then local _name=$1 local _filepath="tags/$(echo "$_name" | sed "s/ /-/g;s/'//g" | awk '{print tolower($0)}').html" if [[ ! -f $_filepath ]]; then echo "---" > "$_filepath" echo "layout: tag" >> "$_filepath" echo "title: $_name" >> "$_filepath" echo "tag: $_name" >> "$_filepath" echo "---" >> "$_filepath" ((tag_count = tag_count + 1)) fi fi } ######################################### # Create HTML pages for Categories/Tags. # Arguments: # $1 - an array string # $2 - type specified option ######################################### create_pages() { if [[ -n $1 ]]; then # split string to array IFS_BAK=$IFS IFS=',' local _string=$1 case $2 in $TYPE_CATEGORY) for i in ${_string#,}; do create_category "$i" done ;; $TYPE_TAG) for i in ${_string#,}; do create_tag "$i" done ;; *) ;; esac IFS=$IFS_BAK fi } main() { init for _file in $(find "_posts" -type f \( -iname \*.md -o -iname \*.markdown \)); do local _categories=$(read_categories "$_file") local _tags=$(read_tags "$_file") create_pages "$_categories" $TYPE_CATEGORY create_pages "$_tags" $TYPE_TAG done if [[ $category_count -gt 0 ]]; then echo "[INFO] Succeed! $category_count category-pages created." fi if [[ $tag_count -gt 0 ]]; then echo "[INFO] Succeed! $tag_count tag-pages created." fi } main