nnn/plugins/pdfread

#!/usr/bin/env sh

# Description: Read a text or PDF file in British English
#
# Shell: POSIX compliant
# Author: Arun Prakash Jana

if [ -n "$1" ]; then
    tmpf="$(basename "$1")"
    tmpf="${TMPDIR:-/tmp}"/"${tmpf%.*}"

    if [ "$(head -c 4 "$1")" = "%PDF" ]; then
        # Convert using pdftotext
        pdftotext -nopgbrk -layout "$1" - | sed 's/\xe2\x80\x8b//g' > "$tmpf".txt

        pico2wave -w "$tmpf".wav -l en-GB "$(tr '\n' ' ' < "$tmpf".txt)"

        rm "$tmpf".txt
    else
        pico2wave -w "$tmpf".wav -l en-GB "$(tr '\n' ' ' < "$1")"
    fi

    # to jump around and note the time
    mpv "$tmpf".wav

    # flat read but better quality
    # play -qV0 "$tmpf".wav treble 2 gain -l 2

    rm "$tmpf".wav
fi