Add youtube-dl installation script for Ubuntu 20.04

youtube-dl-install-ubuntu2004.sh

@@ -0,0 +1,96 @@
+#!/bin/bash
+
+#############################################################
+# Author: Taryel Hlontsi, 2022
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>
+#############################################################
+
+
+DIR=$HOME
+
+not_set() {
+    count=$(grep -Pcx "$1" "$2")
+    code=$?
+    if (( $code > 0 )) || (( $count == 0 )); then
+	true
+    else
+	false
+    fi
+}
+
+which youtube-dl
+
+if (($? > 0)); then
+    sudo apt update
+    sudo apt install -y python3-pip
+    sudo apt install -y ffmpeg
+fi
+
+pip install youtube-dl --upgrade --user
+
+SCRIPT="${DIR}/.local/bin/get-mp3.sh"
+ALIAS="alias get-mp3='${SCRIPT}'"
+
+if test -f ~/.bash_aliases; then
+    if not_set "${ALIAS}" "${DIR}/.bash_aliases"; then
+	echo $ALIAS >> "${DIR}/.bash_aliases"
+    fi
+else
+    echo $ALIAS > "${DIR}/.bash_aliases"
+fi
+
+source "${DIR}/.bashrc"
+
+cat <<'EOF' > ${SCRIPT}
+#!/bin/bash
+
+if [[ ! ${1+x} ]]; then
+    echo 'Provide a web link to the media file as an argument!'
+    exit -1
+else
+    URL=$(echo $1 | sed "s/\?list=.*//i")
+    echo "Link: ${URL}"
+fi
+
+youtube-dl --list-formats $URL
+
+read -t 10 -p 'Select the format number from above [251]: ' FORMAT
+echo $FORMAT
+
+if test -z "$FORMAT"; then
+    FORMAT=251
+else
+    if [[ ! $FORMAT =~ ^[0-9]+$ ]]; then
+	echo 'Specified format must be a number!'
+	exit -1
+    fi
+fi
+echo "Format to be used: ${FORMAT}"
+
+youtube-dl --format $FORMAT \
+--no-call-home \
+--console-title \
+--ignore-config \
+--buffer-size 16K \
+--no-resize-buffer \
+--extract-audio \
+--audio-quality 0 \
+--audio-format mp3 \
+-o "~/Music/%(title)s.%(ext)s" \
+"${URL}"
+EOF
+
+chmod u+x $SCRIPT
+
+echo "to use it run 'get-mp3' command followed by a URL link (in a new terminal session)"