qsgen2/qsgen2

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#!/usr/bin/zsh
# Quick Site Generator 2 is a static website generator inspired by Nikola.
# It is written for the Z shell (zsh) because that's what I use and also because I like it better than Bash.
#
# This script is an almost complete rewrite of my old script because it became overly complicated and
# had way too many bugs, even though it worked on simple sites.
#
# qsgen2 uses different templates and its own formattings tags to generate the static HTML pages.
#
# The file structure in the project directory should look like this:
#
# .blog_cache
# .pages_cache
# config
# index.tpl
# templates/
# templates/<theme>/pages.tpl
# templates/<theme>/blogs.tpl
# templates/<theme>/blog_index.tpl
# blog/
# blog/2024-01-26-1.blog
#
# Explanation of the file structure.
# The file 'config' contains the settings for this specific project.
# The file 'index.tpl' is what becomes index.html that is served to the public.
# The 'templates/' directory contains the templates used to generate the pages and blog posts.
# The 'blog/' directory contains the blog posts. The date format of the files are used to create a blog/index.html with the newest post first.
#
# Contents of the file 'config' --> CHANGE THESE <--
# export site_name="The name of the website"
# - This is the project directory
# export project_dir=${HOME}/www/vikingo
# - This is where the generated files will be put
# export www_root=${HOME}/www_root/smelror.com
# #################################################################################################
# I don't think these need to be here as they'll always be in the same place with the same names
# export pages=${project_dir}/templates/<theme>/pages.tpl
# export blogs=${project_dir}/templates/<theme>/blogs.tpl
# export blog_list=${project_dir}/templates/<theme>/blog_list.tpl
# export blog_index=${project_dir}/templates/<theme>/blog_index.tpl
###################################################################################################
# export blog_in_index=false
VERSION="0.0.1 alpha" # Mon-2024-01-29
QSGEN="Quick Site Generator 2"
# Set to true or false
# This will show debug information from almost every function in this script
debug=true
function include () {
# This function is used to include other functions that will normally be in
# ${HOME}/bin/include/
# Edit this path to reflect your installation
local inc_file=${HOME}/bin/include/${1}.inc
if [[ ! -f ${inc_file} ]]; then
local inc_opt=$( echo ${1} | cut -d\/ -f2 )
echo "Supplied option \"${inc_opt}\" is not a valid include."
else
builtin source ${inc_file} ${2}
fi
}
# Including some colors to the script
include common/colors
echo "${magenta}${QSGEN} ${VERSION}${end}"
function _version() {
echo "${yellow}- Created by kekePower - 2018-$(date +%Y)${end}"
echo "${yellow}- https://github.com/kekePower/qsgen2/${end}"
echo "${yellow}- See '${1} help' for more information."
exit
}
function _help() {
echo "This is where I'll write the Help documentation."
exit
}
case ${1} in
version || -v || --version)
_version ${0:t}
;;
help || -h || --help)
_help
;;
esac
# Loading Zsh modules
zmodload zsh/files
# Check for, an source, the config file for this specific website
if [[ -f $(pwd)/config ]]; then
if (${debug}) echo "${red}Config file found and sourced${end}\n${yellow} - $(pwd)/config${end}"
# CONFIG=$(pwd)/config
builtin source $(pwd)/config
else
echo "${red}Cannot find configuration file.${end}"
echo "${yellow} - Please create the file 'config' in your project directory.${end}"
exit
fi
if (${debug}); then
echo "${red}Contents of Config file:${end}"
echo "${yellow} - site_name=${site_name}${end}"
echo "${yellow} - site_tagline=${site_tagline}${end}"
echo "${yellow} - theme=${theme}${end}"
echo "${yellow} - project_dir=${project_dir}${end}"
echo "${yellow} - www_root=${www_root}${end}"
echo "${yellow} - blog_in_index=${blog_in_index}${end}"
echo "${yellow} - generator=${generator}${end}"
fi
if [[ ${generator} == "native" ]]; then
# Usage: ${engine} ${1} - Where 1 is the file you want to convert
if (${debug}) echo "${red}Using the ${generator} engine${end}"
engine=_html
elif [[ ${generator} == "markdown" ]]; then
if [[ ! -f /usr/bin/markdown ]]; then
echo "Please install the 'discount' package to use Markdown."
exit
fi
# Usage: ${engine} ${1} ${2} - Where 1 is the input file and 2 is the html www_root file and location
if (${debug}) echo "${red}Using the ${generator} engine${end}"
engine=$( /usr/bin/markdown -o ${2} ${1} )
fi
# Define cache files
blog_cache_file="${project_dir}/.blog_cache"
pages_cache_file="${project_dir}/.pages_cache"
builtin cd ${project_dir}
# Let's put these here for now.
export today=$( date "+%Y-%m-%d - %T" )
export blogdate=$( date +%a-%Y-%b-%d )
# Let's create arrays of all the files we'll be working on
function _list_blog_idx() {
ls -har blog/*.idx | while read -r file; do
blog_idx_array+=($file)
done
}
function _list_blog_tmp_idx() {
ls -har blog/*.tmp.html | while read -r file; do
blog_tmp_idx_array+=($file)
done
}
function _list_blog() {
ls -1btar blog/*.blog | while read -r file; do
blog_index_file_array+=($file)
done
}
# BLOG CACHE
function _blog_cache() {
local debug=false
# Create an associative array for the blog cache
typeset -A blog_cache
# Load the existing blog cache
if [[ -f $blog_cache_file ]]; then
while IFS=':' read -r name hash; do
blog_cache[$name]=$hash
if (${debug}) echo "${red}HASH VALUE: ${blog_cache[${name}]}${end}"
done < "$blog_cache_file"
fi
# Initialize the array for storing blog files to process
make_blog_array=()
# Process blog files
for blog_file in $(ls -har blog/*.blog); do
# Compute the current blog file hash
current_hash=$(md5sum "$blog_file" | awk '{print $1}')
if (${debug}) echo "${red}1. blog_cache: ${blog_file}${end}"
if (${debug}) echo "${red}2. current_cache: ${current_hash}${end}"
# Check if the blog file is new or has changed
if [[ ${blog_cache[$blog_file]} != "$current_hash" ]]; then
if (${debug}) echo "${red}3. new_cache_file: ${blog_file}${end}"
if (${debug}) echo "${red}4. new_current_cache: ${current_hash}${end}"
# Blog file is new or has changed; add it to the processing array
make_blog_array+=("$blog_file")
# Update the blog cache with the new hash
blog_cache[$blog_file]=$current_hash
fi
done
# Rebuild the blog cache file from scratch
: >| "$blog_cache_file" # Truncate the file before writing
for name in "${(@k)blog_cache}"; do
echo "$name:${blog_cache[$name]}" >> "$blog_cache_file"
done
}
# PAGES CACHE
function _pages_cache() {
local debug=false
# Create an associative array for the pages cache
typeset -A pages_cache
# Load the existing pages cache
if [[ -f $pages_cache_file ]]; then
while IFS=':' read -r name hash; do
pages_cache[$name]=$hash
if (${debug}) echo "${red}PAGES HASH VALUE: ${pages_cache[${name}]}${end}"
done < "$pages_cache_file"
fi
# Initialize the array for storing pages files to process
tpl_array=()
# Process pages files
for file in $(ls -1bt *tpl); do
# Compute the current blog file hash
current_hash=$(md5sum "$file" | awk '{print $1}')
if (${debug}) echo "${red}1. pages_cache: ${pages_cache[$file]}${end}"
if (${debug}) echo "${red}1. current_cache: ${current_hash}${end}"
# Check if the pages file is new or has changed
if [[ ${pages_cache[$file]} != "$current_hash" ]]; then
if (${debug}) echo "${red}2. pages_file: ${pages_cache[$file]}${end}"
if (${debug}) echo "${red}2. current_cache: ${current_hash}${end}"
# Pages file is new or has changed; add it to the processing array
tpl_array+=("$file")
# Update the pages cache with the new hash
pages_cache[$file]=$current_hash
fi
done
# Rebuild the pages cache file from scratch
: >| "$pages_cache_file" # Truncate the file before writing
for name in "${(@k)pages_cache}"; do
echo "$name:${pages_cache[$name]}" >> "$pages_cache_file"
done
}
function _last_updated() {
tee < ${1} | sed -e "s|#updated|${TODAY}|" | sed -e "s|\#version|${QSGEN} ${VERSION}|" > ${1}
}
function _pages() {
# This function generates all the pages
local debug=false
local pages=${project_dir}/templates/${theme}/pages.tpl
if [[ ! -f ${pages} ]]; then
echo "Unable to find the Pages template: ${pages}"
exit
fi
}
function _blogs() {
# This function generates the blog files
local debug=true
# Running function _list_blog
# It returns the array: blog_index_file_array
echo "_blogs: Running function _list_blog"
_list_blog
# Running function _blog_cache
# It returns the array: make_blog_array
echo "_blogs: Running function _blog_cache"
_blog_cache
if (( ${#make_blog_array[@]} > 0 )); then
local blog_tpl=${project_dir}/templates/${theme}/blogs.tpl
if [[ ! -f ${blog_tpl} ]]; then
echo "Unable to find the Blog template: ${blog_tpl}"
exit
fi
local sdate btitle ingress body blog_index blog_dir blog_url
echo "_blogs: _blog_list_for_index: Just before the for loop: make_blog_array"
for blog in ${make_blog_array[@]}
do
if (${debug}) echo "0001: ${red}_blogs: _blog_list_for_index: Processing ${blog}${end}"
# Read the file once
if (${debug}) echo "0002: ${red}_blogs: _blog_list_for_index: Reading blog from array into content: ${blog}${end}"
local content="$(<${blog})"
sed -i "s/GETDATE/${BLOGDATE}/" ${blog}
# Array sdate = Name day=4, Year=2, Month=3, Number day=1
sdate=( $( echo ${content} | grep DATE | sed "s|DATE\ ||" | sed "s|\-|\ |g" ) )
btitle=$( echo ${content} | grep BLOG_TITLE | cut -d' ' -f2- )
ingress=$( echo ${content} | sed "s/'/\\\'/g" | xargs | grep -Po "#INGRESS_START\K(.*?)#INGRESS_STOP" | sed "s|\ \#INGRESS_STOP||" | sed "s|^\ ||" )
body=$( echo ${content} | sed "s/'/\\\'/g" | xargs | grep -Po "#BODY_START\K(.*?)#BODY_STOP" | sed "s|\ \#BODY_STOP||" | sed "s|^\ ||" )
blog_index=$( echo ${btitle:l} | sed -e "s|-|_|" | sed -e "s|\ |-|g" | sed -e "s|\,||g" | sed -e "s|\.||" )
blog_dir="/blog/${sdate[2]}/${sdate[3]}/${sdate[4]}"
blog_url="${blog_dir}/${blog_index}.html"
if [[ ! -d ${www_root}${blog_dir} ]]; then
if (${debug}) echo "0003: ${red}_blogs: Creating blog directory: ${www_root}${blog_dir}${end}"
mkdir -p ${www_root}${blog_dir}
fi
if (${debug}) echo "0004: ${cyan}_blogs: blog_index: ${blog_tpl}${end}"
tee < ${blog_tpl} | sed \
-e "s|BLOGTITLE|${btitle}|" \
-e "s|CALADAY|${sdate[1]}|" \
-e "s|CALNDAY|${sdate[4]}|" \
-e "s|CALMONTH|${sdate[3]}|" \
-e "s|CALYEAR|${sdate[2]}|" \
-e "s|BLOGURL|${blog_url}|" \
-e "s|INGRESS|${ingress}|" \
-e "s|DATE ||" \
> ${blog%.*}.idx
if (${debug}) echo "0005: ---------- ${red}_blogs: TO_IDX_FILE: ${blog%.*}.idx${end}"
if (${debug}) echo "0006: ${cyan}_blogs: BLOG_URL_TPL: ${www_root}${blog_url}${end}"
tee < ${blog_tpl} | sed \
-e "s|BLOGTITLE|${btitle}|" \
-e "s|CALADAY|${sdate[1]}|" \
-e "s|CALNDAY|${sdate[4]}|" \
-e "s|CALMONTH|${sdate[3]}|" \
-e "s|CALYEAR|${sdate[2]}|" \
-e "s|INGRESS|${ingress}|" \
-e "s|BODY|${body}|" \
-e "s|DATE ||" \
-e "s|\#title||" \
>> ${www_root}${blog_url}
if (${debug}) echo "0007: ---------- ${red}_blogs: ${blog_tpl} -- TO_BLOG_URL_FILE: ${www_root}${blog_url}${end}"
echo "_blogs: _last_updated: Updating footer for ${www_root}${blog_url}"
_last_updated ${www_root}${blog_url}
echo "_blogs: Running HTML engine: ${engine}"
${engine} ${blog_url}
if [[ $( grep \#link ${www_root}${blog_url} ) ]]; then
echo "If #link is present, run _link: ${www_root}${blog_url}"
_link ${blog_url}
elif [[ $( grep \#showimg ${www_root}${blog_url} ) ]]; then
echo "If #showimg is present, run _image: ${www_root}${blog_url}"
_image ${blog_url}
elif [[ $( grep \#ytvideo ${www_root}${blog_url} ) ]]; then
echo "If #ytvideo is present, run _youtube: ${www_root}${blog_url}"
_youtube ${blog_url}
fi
_cleanup ${blog_url}
done
else
echo "${yellow}No new or updated Blogs detected.${end}"
fi
}
function _blog_idx_for_index() {
# This function generates the file blog/index.idx
local debug=false
if [[ -f ${project_dir}/blog/index.tmp.html ]]; then
echo "Remove temporary file: ${project_dir}/blog/index.tmp.html"
rm -f ${project_dir}/blog/index.tmp.html
fi
}
function _blog_index() {
# This function generates the /blog/index.html file that gets its data from _blog_list_for_index()
local debug=false
local pages=${project_dir}/templates/${theme}/pages.tpl
if [[ ! -f ${pages} ]]; then
echo "Unable to find the Pages template: ${pages}"
exit
fi
local blog_index_title="Blog"
# Running function _list_blog_idx
# It returns the array: blog_tmp_idx_array
_list_blog_tmp_idx
if (( ${#blog_tmp_idx_array[@]} > 0 )); then
local blog_list=${project_dir}/templates/${theme}/blog_list.tpl
if [[ ! -f ${blog_list} ]]; then
echo "Unable to find the Pages template: ${blog_list}"
exit
fi
for blog_files in ${blog_tmp_idx_array[@]}
do
local content="$(<${blog_files})"
sed -i "s/GETDATE/${BLOGDATE}/" ${blog_files}
# Array sdate = Name day=4, Year=2, Month=3, Number day=1
sdate=( $( echo ${content} | grep DATE | sed "s|DATE\ ||" | sed "s|\-|\ |g" ) )
ingress=$( echo ${content} | sed "s/'/\\\'/g" | xargs | grep -Po "#INGRESS_START\K(.*?)#INGRESS_STOP" | sed "s|\ \#INGRESS_STOP||" | sed "s|^\ ||" )
body=$( echo ${content} | sed "s/'/\\\'/g" | xargs | grep -Po "#BODY_START\K(.*?)#BODY_STOP" | sed "s|\ \#BODY_STOP||" | sed "s|^\ ||" )
blog_date="${sdate[1]} ${sdate[4]}-${sdate[3]}-${sdate[2]}"
sed \
-e "s|BLOGDATE|${blog_date}|" \
-e "s|BLOGURL|${blog_url}|" \
-e "s|INGRESS|${ingress}|"
> ${project_dir}/blog/index.tmp.x
done
fi
tee < ${pages} | sed \
-e "s|BODY|$(cat ${project_dir}/blog/index.tmp.x)|" \
-s "s|#pagetitle|${blog_index_title}|g" \
> ${www_root}/blog/index.html
_last_updated ${www_root}/blog/index.html
${engine} ${www_root}/blog/index.html
}
function _link() {
# This converts #link tags to actual clickable links
local debug=false
if (${debug}) echo "${red}_link: Generating links for ${1}${end}"
# Process the file line by line
while IFS= read -r line; do
if [[ ${line} == *"#link"* ]]; then
if (${debug}) echo "${red}URL_MAIN(line): (${1}) ${line}${end}"
# Extract the URL and the link text
local url_full=$(echo "$line" | awk -F'#link ' '{print $2}' | awk -F'¤' '{print $1 "¤" $2}')
local url_dest=$(echo "$url_full" | awk -F'¤' '{print $1}')
local url_txt=$(echo "$url_full" | awk -F'¤' '{print $2}')
if (${debug}) echo "${red}URL: ${url_dest}${end}"
if (${debug}) echo "${red}Text: ${url_txt}${end}"
# Form the replacement HTML link
local modified_link="<a href=\"${url_dest}\">${url_txt}"
if [[ ${url_dest} =~ ^https?:// ]]; then
# Add external link icon for external URLs
modified_link+="<img class=\"exticon\" alt=\"External site icon\" src=\"/images/ext-url.png\" width=\"16\" />"
fi
modified_link+="</a>"
line=${line//"#link $url_full"/$modified_link}
fi
echo "$line" >> "${www_root}/${1%.*}.tmp.html"
done < "${www_root}/${1%.*}.html"
# Replace the original file with the modified one
builtin mv "${www_root}/${1%.*}.tmp.html" "${www_root}/${1%.*}.html"
}
function _image() {
# This replaces #showimg to actual HTML img tag
local get_img img_link image img_alt
local debug=false
if (${debug}) echo "${red}_image: Generating image tags for ${1}${end}"
cat ${www_root}/${1%.*}.html | sed "s/\.\ /\.\\n/g" | sed "s/\,/\,\\n/g" | sed "s/\#/\\n\#/g" | grep -P '(?=.*?#showimg)' |\
while read img
do
if [[ ${img} != "" ]]; then
get_img=$( echo "${img}" | awk '/#showimg/' | cut -d# -f2- )
if (${debug}) echo "${red}GET_IMG: ${get_img}${end}"
img_link=$( echo ${get_img} | cut -d' ' -f2- )
if (${debug}) echo "${red}IMG_LINK: ${img_link}${end}"
image=$( echo ${img_link} | cut -d¤ -f1 | cut -d¤ -f1- )
if (${debug}) echo "${red}IMAGE: ${image}${end}"
img_alt=$( echo ${img_link} | cut -d¤ -f2- | cut -d¤ -f1- )
if (${debug}) echo "${red}IMAGE_ALT: ${image_alt}${end}"
if [[ ${image} =~ ^https* ]]; then
# Images on another server
real_image=${image}
if (${debug}) echo "${red}HTTPS REAL_IMAGE: ${real_image}${end}"
elif [[ ${image} =~ ^\/ ]]; then
# This is for images in another directory and the image link begins with a /
real_image=${image}
if (${debug}) echo "${red}SLASH REAL_IMAGE: ${real_image}${end}"
else
# This is for images in the '/images/' directory
real_image="/images/${image}"
if (${debug}) echo "${red}IMAGES REAL_IMAGE: ${real_image}${end}"
fi
if (${debug}) echo "${red}REAL_IMAGE: $real_image${end}"
if (${debug}) echo "${red}IMG_ALT: $img_alt${end}"
echo ${img_link} |\
sed -i -- "s|${image}|<img src=\"${real_image}\"|" ${www_root}/${1%.*}.html
sed -i -- 's|'${img_alt}'| alt=\"'${img_alt}'\" width=\"500\" \/>|' ${www_root}/${1%.*}.html
fi
done
}
function _youtube() {
# This embeds a YouTube video on a page or a blog
local yt_id
local debug=false
if (${debug}) echo "${red}_youtube: Creating YouTube player embed${end}"
cat ${www_root}/${1%.*}.html | sed "s/\.\ /\.\\n/g" | sed "s/\,/\,\\n/g" | sed "s/\#/\\n\#/g" | grep -P '(?=.*?#ytvideo)' |\
while read video
do
if [[ ${video} != "" ]]; then
yt_id=$( echo "${video}" | awk '/#ytvideo/' | cut -d" " -f2 )
if (${debug}) echo "${red}YT VIDEO ID: ${yt_id}${end}"
sed -i -- "s|${yt_id}|<iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/${yt_id}\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>|" ${www_root}/${1%.*}.html
fi
done
}
function _cleanup() {
# This removes tags used in the templates that may be left over for some reason
local debug=false
if (${debug}) echo "${red}_cleanup: Cleaning up links in: ${www_root}/${1%.*}.html${end}"
sed -i -- "s|¤||g" ${www_root}/${1%.*}.html
sed -i -- "s|#showimg\ ||g" ${www_root}/${1%.*}.html
sed -i -- "s|#ytvideo\ ||g" ${www_root}/${1%.*}.html
sed -i -- "s|#link\ ||g" ${www_root}/${1%.*}.html
}
function _html() {
# This converts the formatting tags into their HTML equivalents
local debug=true
if (${debug}) echo "${red}_html: Generating HTML for ${1}${end}"
sed -i -- "s|\#BR|<br/>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#BD|<b>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EBD|</b>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#UN|<u>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EUN|</u>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#P|<p>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EP|</p>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#Q|<blockquote>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EQ|</blockquote>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#STRONG|<strong>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#ESTRONG|</strong>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#I|<i>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EI|</i>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#C|<code>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EC|</code>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EM|<em>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#SEM|</em>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#OT|\&quot;|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#UL|\n<ul>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#OL|<ol>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#LI|<li class=\"libody\">|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#ELI|</li>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EUL|\n</ul>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EOL|</ol>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#H1|<h1>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#H2|<h2>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#H3|<h3>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#H4|<h4>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#H5|<h5>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#H6|<h6>|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EH1|</h1>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EH2|</h2>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EH3|</h3>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EH4|</h4>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EH5|</h5>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#EH6|</h6>\n|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#LT|\&lt;|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#GT|\&gt;|g" ${www_root}/${1%.*}.html
sed -i -- "s|\#NUM|\&num;|g" ${www_root}/${1%.*}.html
}
# Time to test the first function
echo "${green}Running function _blogs${end}"
_blogs