Telegram: Send files via their path names due using telagram bot API with telegram-send

telegram-send.sh

#!/bin/bash
sleep_time="2"
large_location="$HOME/$RANDOM"
DIR="."


send_pdf() { find $DIR -type f -name "*.pdf" -exec telegram-send --file "{}" \; -exec sleep $sleep_time \; ; }
send_epub() { find $DIR -type f -name "*.epub" -exec telegram-send --file "{}" \;  -exec sleep $sleep_time \; ; }
find_pdf() { find $DIR -type f -name "*.pdf" -exec ls "{}" \; ; }
find_epub() { find $DIR -type f -name "*.epub" -exec ls "{}" \; ; }

send_current_pdf() { find $DIR -type f -maxdepth 1 -name '*.pdf' -exec telegram-send --file "{}" \;  -exec sleep $sleep_time \; ; }
send_current_epub() { find $DIR -type f -maxdepth 1 -name '*.epub' -exec telegram-send --file "{}" \;  -exec sleep $sleep_time \; ; }
find_current_pdf() { find $DIR -type f -maxdepth 1 -name '*.pdf' ; }
find_current_epub() { find $DIR -type f -maxdepth 1 -name '*.epub' ; }


{ mkdir -p $large_location ; find $DIR -type f -size +49M -exec mv "{}" $large_location \; ; } &>/dev/null
find $DIR -type d -maxdepth 0 -mindepth 0 > .depth_0
find $DIR -type d -maxdepth 1 -mindepth 1 > .depth_1
find $DIR -type d -maxdepth 2 -mindepth 2 > .depth_2


while read -r dir; do
        cd "$dir"
        telegram-send --format html "<pre>$dir</pre>"
        sleep $sleep_time
        send_current_pdf
        send_current_epub
        cd - &>/dev/null
done < .depth_0

while read -r dir; do
        cd "$dir"
        telegram-send --format html "<pre>$dir</pre>"
        sleep $sleep_time
        send_current_pdf
        send_current_epub
        cd - &>/dev/null
done < .depth_1

while read -r dir; do
        cd "$dir"
        telegram-send --format html "<pre>$dir</pre>"
        sleep $sleep_time
        send_pdf
        send_epub
        cd - &>/dev/null
done < .depth_2