gpodder-sync

#!/bin/bash
#: Title: gPodder Syncronization
#: Author: Neal T. Bailey <nealbailey@hotmail.com>
#: Date: 01/10/2012
#:       07/11/2012
#: Version: 1.1
#: Requires: gpodder, ffmpeg, lame
#: Purpose: Downloads video podcasts, rips the audio from them,
#:      and copies them to a path that syncs with my ipod.
#
#: Usage: ./gpodder-sync.sh
#:
# gPodder CLI Reference: http://wiki.gpodder.org/wiki/User_Manual#Command-line_interface
#
# Workflow
#   1. Parse overrides file
#   2. Update podcasts
#   3. Download new podcast episodes
#   4. Ignore all previously downloaded podcasts
#   5. Copy the podcasts that are not in the history file
#   6. Rip audio out of video files

# Log
log="/tmp/$(date +%Y-%m-%dT%H:%M)-podcast-download.log"

# Podcast definitions (podcast RSS urls, 1 per line)
defs="$HOME/Downloads/Podcasts/auto-download.conf"

# gPodder download directory (where gpodder is configured to download)
podDownload="$HOME/Downloads/Podcasts/gpodder-downloads"

# publish directory (the directory to copy converted podcasts to)
pubDir="$HOME/Downloads/Podcasts/_converted"

# history file (The file to save download/convert history)
histFile="$HOME/Downloads/Podcasts/_converted/_history.txt"


# Check dependencies
# Validate gpodder-cli is installed
if [ $(which gpo | grep -c "gpo") -eq 0 ]; then
    echo "error: gpodder-cli is not installed!" | tee -a "$log"
    exit 1
fi

# Validate ffmpeg is installed
if [ $(which ffmpeg | grep -c "ffmpeg") -eq 0 ]; then
    echo "error: ffmpeg is not installed!" | tee -a "$log"
    exit 1
fi

# Check definitions file
if [ ! -e "$defs" ]; then
    echo "error: couldn't find podcast definitions file: $defs!" | tee -a "$log"
#   exit 1
fi

# Check download path
if [ ! -e "$podDownload" ]; then
    mkdir -p "$podDownload"
fi

# Check publish path
if [ ! -e "$pubDir" ]; then
    mkdir -p "$pubDir"
fi

# Temp IFS
tIFS="$IFS"

# Share definitions
#  -check for override file
if [ -e "$defs" ]; then
  # use these urls
  arrUris=( ` cat "$defs" ` )
else
  arrUris=( "$@" )
fi

for itm in "${arrUris[@]}"
 do
    # update & download podcasts
    echo "Updating & downloading podcast: $itm" | tee -a "$log"
    gpo update "$itm" && gpo download "$itm"
 done

IFS=';'
arrpods=( $(find "$podDownload" \( -name "*.mp3" -or -name "*.mp4" \) -printf %p\;) )

for pod in "${arrpods[@]}"
 do
    fileName=$(basename "$pod")
    if [ $(cat "$histFile" | grep -ce "$fileName") -ne "0" ]; then
        echo "Skip existing: $fileName" | tee -a "$log"
    else
        if [ $(echo "$fileName" | grep -ic ".mp4") -gt "0" ]; then
            echo "$fileName" >> "$histFile"
            noextName=$(echo "$fileName" | sed 's/.mp4//g')
            fileName="$noextName.mp3"
            ffmpeg -i "$pod" -vn -ac 2 -ab 192k "$pubDir/$fileName"
            pod=$(echo "$pod" | sed 's/.mp4/.mp3/g')
        fi

        cp "$pod" "$pubDir"
        echo "Copying: $fileName -> $pubDir" | tee -a "$log"
        echo "$fileName" >> "$histFile"
        echo "Copying new podcast: $fileName"
    fi
 done

# sort history file
sort -o "$histFile" "$histFile"

# Apply global ownership to downloads (allow all users to delete)
echo "Setting full control permissions to downloads." | tee -a "$log"
chmod -R 777 "$podDownload" && chmod -R 777 "$pubDir"

echo "Tasks complete." | tee -a "$log"