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49 lines
1.5 KiB
Bash
Executable file
49 lines
1.5 KiB
Bash
Executable file
#!/usr/bin/bash
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#
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# mame_merge_index_files.sh
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# EmulationStation MAME ROM index files merging.
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#
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# This script merges older ROM index files with newly generated ones.
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# As the MAME project drops and renames ROM files from time to time, we need to
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# include the old ROM names as well even if not supported by the newest MAME version.
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# The user may very well run an older MAME version and may therefore have an old ROM set.
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#
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# There is not much error checking going on here, this script is not intended to be
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# used by the end user.
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#
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# Leon Styhre
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# 2020-06-16
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#
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if [ $# -ne 3 ]; then
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echo "Usage: ./mame_merge_index_files.sh <old ROM index file> <new ROM index file> <target filename>"
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echo "For example:"
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echo "./mame_merge_index_files.sh mamebioses.xml_OLD mamebioses.xml_NEW mamebioses.xml"
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echo "or"
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echo "./mame_merge_index_files.sh mamedevices.xml_OLD mamedevices.xml_NEW mamedevices.xml"
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exit
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fi
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if [ ! -f $1 ]; then
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echo "Can't find old ROM index file" $1
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exit
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fi
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if [ ! -f $2 ]; then
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echo "Can't find new ROM index file" $1
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exit
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fi
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MAME_OLD_FILE=$1
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MAME_NEW_FILE=$2
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MAME_TARGET_FILE=$3
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TEMPFILE=tempfile_$(date +%H%M%S)
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HEADER=$(grep "<\!--" $MAME_NEW_FILE)
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grep -v "Last updated with information from MAME driver file" $MAME_OLD_FILE > $TEMPFILE
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grep -v "Last updated with information from MAME driver file" $MAME_NEW_FILE >> $TEMPFILE
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echo $HEADER > $MAME_TARGET_FILE
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sort -u $TEMPFILE | sed '/^[[:space:]]*$/d' >> $MAME_TARGET_FILE
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rm $TEMPFILE
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