writeConfig()
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Vincent Riquer
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237
lib/config/write
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237
lib/config/write
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#!/bin/bash
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writeConfig() {
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cat <<-EOCfg
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[general]
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# This section contains parameters of the program itself.
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# * max-load <load>: Integer. Defines how parallel processing will behave. AtOM
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# will try to keep the 1 minute load average between <load> and <load>+1 by
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# adjusting concurrency.
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# Initial concurrency will be set to half of that value.
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max-load $maxload
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# * load-interval <seconds>: Integer. How often should we check the load average
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# and adjust concurrency. Set this too low, and concurrency may be increased
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# too quickly. Set this too high, and AtOM will not adapt quickly enough to
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# load increase. In both cases, your hard drive will suffer. In my
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# experience, 30 seconds is a good value.
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load-interval $loadinterval
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# * ionice <class> [niceness]: IO-hungry processes will be run with ionice class
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# <class> and niceness [niceness] (if applicable). See man ionice for details.
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ionice $class $niceness
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# * temporary-directory <directory>: String. Name speaks for itself: this is
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# where FIFOs (for communicating with sqlite) and temporary WAVE files will
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# be created. Note that debug logs (if enabled) will go there too.
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temporary-directory $tempdir
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# * database <file>: String. Where the SQLite database should be stored.
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database $database
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# * debug <level>: Integer.
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#debug 1
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[source]
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# This section defines where are the files you want transcoded.
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# * path <directory>: String. The root of your collection.
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# Default: /var/lib/mpd/music
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path $sourcepath
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# * skip <directory>: String. Files in <directory> will be ignored. Note that
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# <directory> can be any expression accepted by find.
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EOCfg
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for dir in "${skippeddirectories[@]}"
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do
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echo $'skip\t\t\t'"$dir"
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done
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cat <<-EOCfg
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EOCfg
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for destination in "${!destinationpath[@]}"
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do
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cat <<-EOCfg
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[$destination]
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# Each section not named 'general' or 'source' will define a new destination.
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# Common parameters:
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# Mandatory parameters:
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# * path: Where files will be written
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path ${destinationpath["$destination"]}
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# * format: ogg, opus or mp3. Other formats may appear in the future - feel
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# free to implement your preferred format.
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format ${destinationformat["$destination"]}
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EOCfg
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case "${destinationformat[@]}" in
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vorbis)
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cat <<-EOCfg
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# Ogg parameters:
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# * quality <quality>: The quality parameter of oggenc. See man oggenc for
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# more info. This is the only mode supported and planned. Still, if you want
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# to be able to use bitrate settings, feel free to fork and file a pull
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# request.
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quality ${destinationquality["$destination"]}
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EOCfg
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;;
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opus)
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cat <<-EOCfg
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# Opus parameters:
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# * bitrate <bitrate>: Set (VBR) bitrate to <bitrate>. Note that while Opus
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# allows for decimal values, AtOM does not. The reason for this is simple:
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# we do numeric comparisons, and Bash only manipulates integers.
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bitrate ${destinationquality["$destination"]}
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# * loss <percent>: If you intend to stream the resulting files over an
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# unreliable protocol, you may want to make use of Opus' Forward Error
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# Correction algorythm. See the Opus-codec.org website for details.
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# Default: 0
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loss ${destinationloss["$destination"]:-0}
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EOCfg
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;;
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mp3)
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cat <<-EOCfg
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# MP3 parameters:
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# * bitrate <bitrate>: Set ABR to <bitrate>. Again, if you want CBR or any
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# other mode supported by lame, please fork and file a pull request.
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bitrate ${destinationquality["$destination"]}
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# * noresample <yes>/<no>: LAME may decide to encode your file to a lower
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# sampling-rate if you use a low bitrate. Setting this to yes will
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# append --resample <original file's rate>, preventing any resampling from
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# happening.
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EOCfg
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if (( ${destinationnoresample["$destination"]} ))
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then
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echo $'noresample\t\tyes'
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else
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echo $'noresample\t\tno'
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fi
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cat <<-EOCfg
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EOCfg
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;;
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esac
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cat <<-EOCfg
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# Optional parameters:
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# * normalize <yes>/<no>: Normalize output files.
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EOCfg
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if (( ${destinationnormalize["$destination"]} ))
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then
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echo $'normalize\t\tyes'
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else
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echo $'normalize\t\tno'
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fi
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cat <<-EOCfg
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# * rename <string>: Destination files will be named according to <string>,
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# after expansion of special strings:
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# %{album},
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# %{albumartist},
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# %{artist},
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# %{disc},
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# %{genre},
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# %{title},
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# %{track},
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# %{year}.
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# Untagged files or files in unrecognized formats will not be changed.
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EOCfg
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if [[ ${destinationrenamepath["$destination"]}/${destinationrename["$destination"]} == / ]]
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then
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echo $'#rename\t\t\t<pattern>'
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elif [[ ${destinationrenamepath["$destination"]}/${destinationrename["$destination"]} == /* ]]
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then
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echo $'rename\t\t\t'"${destinationrename["$destination"]}"
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else
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echo $'rename\t\t\t'"${destinationrenamepath["$destination"]}/${destinationrename["$destination"]}"
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fi
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cat <<-EOCfg
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# * fat32compat <yes>/<no>: Rename files for compatibility with FAT32
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# filesystems.
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EOCfg
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if (( ${destinationfat32compat["$destination"]} ))
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then
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echo $'fat32compat\t\tyes'
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else
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echo $'fat32compat\t\tno'
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fi
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cat <<-EOCfg
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# * skip_mime-type <mime-type>: Files with mime-type <mime-type> will not
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# be included in that destination. For more than one mime-type, use multiple
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# times, as needed. The '*' character is a wildcard.
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EOCfg
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destinationskipmime["$destination"]="${destinationskipmime["$destination"]}|"
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while [[ ${destinationskipmime["$destination"]} =~ \| ]]
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do
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echo $'skip_mime-type\t\t'"${destinationskipmime["$destination"]%%|*}"
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destinationskipmime["$destination"]="${destinationskipmime["$destination"]#*|}"
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done
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cat <<-EOCfg
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# * copy_mime-type <mime-type>: Same as skip_mime-type, except that files
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# matching will be copied as-is to the destination. E.g. image/* will copy
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# covers and other images to the destination. In fact, AtOM will try to use
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# hard links instead of copies.
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EOCfg
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destinationcopymime["$destination"]="${destinationcopymime["$destination"]}|"
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while [[ ${destinationcopymime["$destination"]} =~ \| ]]
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do
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echo $'copy_mime-type\t\t'"${destinationcopymime["$destination"]%%|*}"
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destinationcopymime["$destination"]="${destinationcopymime["$destination"]#*|}"
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done
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cat <<-EOCfg
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# * channels <number>: Files with more than <number> channels will be
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# downmixed. Useful if you create files for telephony music-on-hold.
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EOCfg
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if (( ${destinationchannels["$destination"]} ))
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then
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echo $'channels\t\t'${destinationchannels["$destination"]}
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else
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echo $'#channels\t\t2'
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fi
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cat <<-EOCfg
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# * frequency <hertz>: Files will be resampled as needed to <hertz>Hz
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# sampling-rate. Shoutcast/Icecast streams require a constant sampling-rate.
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# Telephony systems often require a sample rate of 8000Hz.
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EOCfg
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if (( ${destinationfrequency["$destination"]} ))
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then
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echo $'frequency\t\t'${destinationfrequency["$destination"]}
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else
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echo $'#frequency\t\t44100'
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fi
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cat <<-EOCfg
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# * higher-than <bitrate>: Integer. Only reencode files with bitrates higher
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# then <bitrate>kbps. This only applies if sample-rate, channel count and of
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# course format are equal. If unset, only files with bitrates equal to that
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# of the target will be copied (actually, hardlinking will be attempted
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# first). As Ogg Vorbis target quality is not defined by its bitrate, Ogg
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# Vorbis files will always be reencoded if unset.
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EOCfg
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if (( ${destinationmaxbps["$destination"]} ))
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then
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echo $'higher-than\t\t'${destinationmaxbps["$destination"]}
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else
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echo $'#higher-than\t\t128'
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fi
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cat <<-EOCfg
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EOCfg
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done
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}
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