Some more code and performance optimisations
- Use builtin 'command -v' rather than external 'which'. - The clean_filename() function just removed the initial ./ from a file name; do this with a parameter substitution instead. This gets rid of the need to fork subshells for command substitutions, so is much faster. - Where convenient, replace 'echo ... | sed ...' with fast parameter substitutions.
This commit is contained in:
Martijn Dekker
parent
c683019d7c
commit
7771fab820
1 changed files with 21 additions and 28 deletions
49
bb.sh
49
bb.sh
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@ -144,7 +144,7 @@ global_variables() {
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# Markdown location. Trying to autodetect by default.
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# The invocation must support the signature 'markdown_bin in.md > out.html'
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markdown_bin=$(which Markdown.pl || which markdown)
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markdown_bin=$(command -v Markdown.pl || command -v markdown)
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}
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# Check for the validity of some variables
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@ -162,7 +162,7 @@ global_variables_check() {
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# Test if the markdown script is working correctly
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test_markdown() {
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[[ -z $markdown_bin ]] && return 1
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[[ -z $(which diff) ]] && return 1
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command -v diff >/dev/null || return 1
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in=/tmp/md-in-${RANDOM}.md
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out=/tmp/md-out-${RANDOM}.html
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@ -388,7 +388,7 @@ twitter() {
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# Return 0 (bash return value 'true') if the input file is an index, feed, etc
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# or 1 (bash return value 'false') if it is a blogpost
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is_boilerplate_file() {
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name=$(clean_filename "$1")
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name=${1#./}
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case $name in
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( "$index_file" | "$archive_index" | "$tags_index" | "$footer_file" | "$header_file" | "$global_analytics_file" | "$prefix_tags"* )
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return 0 ;;
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@ -400,14 +400,6 @@ is_boilerplate_file() {
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esac
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}
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# Filenames sometimes have leading './' or other oddities which need to be cleaned
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#
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# $1 the file name
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# returns the clean file name
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clean_filename() {
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echo "${1#./}" # Delete leading './'
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}
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# Adds all the bells and whistles to format the html page
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# Every blog post is marked with a <!-- entry begin --> and <!-- entry end -->
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# which is parsed afterwards in the other functions. There is also a marker
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@ -445,14 +437,16 @@ create_html_page() {
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echo '</div></div></div>' # title, header, headerholder
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echo '<div id="divbody"><div class="content">'
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file_url=$(clean_filename "$filename")
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file_url=$(sed 's/.rebuilt//g' <<< "$file_url") # Get the correct URL when rebuilding
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file_url=${filename#./}
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file_url=${file_url%.rebuilt} # Get the correct URL when rebuilding
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# one blog entry
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if [[ $index == no ]]; then
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echo '<!-- entry begin -->' # marks the beginning of the whole post
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echo "<h3><a class=\"ablack\" href=\"$file_url\">"
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# remove possible <p>'s on the title because of markdown conversion
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echo "$title" | sed 's/<\/*p>//g'
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title=${title//<p>/}
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title=${title//<\/p>/}
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echo "$title"
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echo '</a></h3>'
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if [[ -z $timestamp ]]; then
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echo "<div class=\"subtitle\">$(LC_ALL=$date_locale date +"$date_format") — "
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@ -684,14 +678,13 @@ all_tags() {
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{
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echo "<h3>$template_tags_title</h3>"
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echo "<ul>"
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for i in ./$prefix_tags*.html; do
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for i in $prefix_tags*.html; do
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[[ -f "$i" ]] || break
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echo -n "." 1>&3
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nposts=$(grep -c "<\!-- text begin -->" "$i")
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tagname=$(echo "$i" | cut -c "$((${#prefix_tags}+3))-" | sed 's/\.html//g')
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i=$(clean_filename "$i")
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word=$template_tags_posts_singular
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(($nposts > 1)) && word=$template_tags_posts
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tagname=${i#"$prefix_tags"}
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tagname=${tagname%.html}
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((nposts > 1)) && word=$template_tags_posts || word=$template_tags_posts_singular
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echo "<li><a href=\"$i\">$tagname</a> — $nposts $word</li>"
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done
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echo "" 1>&3
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@ -810,7 +803,8 @@ rebuild_tags() {
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rm "$tmpfile"
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# Now generate the tag files with headers, footers, etc
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while IFS='' read -r i; do
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tagname=$(echo "$i" | cut -c "$((${#prefix_tags}+3))-" | sed 's/\.tmp\.html//g')
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tagname=${i#./"$prefix_tags"}
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tagname=${tagname%.tmp.html}
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create_html_page "$i" "$prefix_tags$tagname.html" yes "$global_title — $template_tag_title \"$tagname\""
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rm "$i"
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done < <(ls -t ./"$prefix_tags"*.tmp.html 2>/dev/null)
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@ -828,24 +822,23 @@ get_post_title() {
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#
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# $2 if "-n", tags will be sorted by number of posts
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list_tags() {
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if [[ $2 ]] && [[ $2 == -n ]]; then do_sort=1; else do_sort=0; fi
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if [[ $2 == -n ]]; then do_sort=1; else do_sort=0; fi
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ls ./$prefix_tags*.html &> /dev/null
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(($? != 0)) && echo "No posts yet. Use 'bb.sh post' to create one" && return
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lines=""
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for i in ./$prefix_tags*.html; do
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for i in $prefix_tags*.html; do
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[[ -f "$i" ]] || break
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nposts=$(grep -c "<\!-- text begin -->" "$i")
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tagname=$(echo "$i" | cut -c "$((${#prefix_tags}+3))-" | sed 's/\.html//g')
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i=$(clean_filename "$i")
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word=$template_tags_posts_singular
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(($nposts > 1)) && word=$template_tags_posts
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tagname=${i#"$prefix_tags"}
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tagname=${tagname#.html}
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((nposts > 1)) && word=$template_tags_posts || word=$template_tags_posts_singular
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line="$tagname # $nposts # $word"
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lines+=$line\\n
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done
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if (( $do_sort == 1 )); then
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if (( do_sort == 1 )); then
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echo -e "$lines" | column -t -s "#" | sort -nrk 2
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else
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echo -e "$lines" | column -t -s "#"
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@ -895,7 +888,7 @@ make_rss() {
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get_post_title "$i"
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echo '</title><description><![CDATA['
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get_html_file_content 'text' 'entry' $cut_do <"$i"
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echo "]]></description><link>$global_url/$(clean_filename "$i")</link>"
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echo "]]></description><link>$global_url/${i#./}</link>"
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echo "<guid>$global_url/$i</guid>"
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echo "<dc:creator>$global_author</dc:creator>"
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echo "<pubDate>$(LC_ALL=C date -r "$i" +"%a, %d %b %Y %H:%M:%S %z")</pubDate></item>"
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