social-preview

#! /usr/bin/env bash


r_escaped_singlequotes()
{
   local quote="'"

   RVAL="${*//${quote}/${quote}\"${quote}\"${quote}}"
}

r_concat()
{
   local separator="${3:- }"

   if [ -z "${1}" ]
   then
      RVAL="${2}"
   else
      if [ -z "${2}" ]
      then
         RVAL="${1}"
      else
         RVAL="${1}${separator}${2}"
      fi
   fi
}





PATH=".:$PATH"

README="${1:-README.md}"

NAME="`./parse-readme-md name "${README}" `"
EMOJI="`./parse-readme-md emoji "${README}" `"

TEXT=

capture=""


# here IFS= is correct not $'\n' as it snarfs up empty newlines
IFS=
set -f
for line in `./parse-readme-md text "${README}" `
do
   r_escaped_singlequotes "${line}"
   r_concat "${TEXT}" "'${RVAL}'"
   TEXT="${RVAL}"
done

eval ./kitchen/Debug/render-png "'${NAME}'" "'${EMOJI}'" ${TEXT}