#!/bin/bash cat < hp2pretty

hp2pretty

END cat $1 | while read svg rest do re='^(.+) [(](.+)[)]$' if [[ $rest =~ $re ]] then title="${BASH_REMATCH[1]}" date="${BASH_REMATCH[2]}" printf '

%s (%s)

\n' "${title}" "${date}" printf '\n' "${svg}" fi done printf '

Legend

\n' "${title}" "${date}" printf '\n' cat $2 | sed 's|\\|\\\\|g' | while read svg label do printf '\n' "${svg}" "${label}" done printf '
%s
\n' cat < END