#!/bin/bash
# the HTML template
main='
GENERATED-MARKDOWN-HERE
'
# substitute the pattern $1 by the content of the file $2
subst() {
awk -v pat="$1" -v rep="$(sed 's:\\:\\\\:g' $2)" '{gsub(pat,rep);gsub(pat,"\\&");print}'
}
# update the date field of file $1
updadate() {
local x=$1
local t=$(git log -n 1 --format=%ct $x)
[[ -n "$t" ]] || t=$(stat -c %Y $x)
local d=$(LANG= date -d @$t +"%d %B %Y")
sed -i "s/^\( Date: *\).*/\1$d/" $x
}
# make the html file for $1
mkhtml() {
local x=$1
local h=${x%%.md}.html
expand -i $x | sed 's:^ : :' > $h.pre
markdown -f toc,autolink $h.pre > $h.toc.no
markdown -Tf toc,autolink $h.pre > $h.toc.yes
head --bytes=-$(stat -c %s $h.toc.no) $h.toc.yes > $h.toc
echo "$main" |
subst GENERATED-MARKDOWN-HERE $h.toc.no |
subst TABLE-OF-CONTENT-HERE $h.toc > $h
rm $h.*
}
# apply
for x in *.md; do
updadate $x
mkhtml $x
done