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32 lines
699 B
Bash
32 lines
699 B
Bash
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#!/bin/bash
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# REF: https://apple.stackexchange.com/questions/85699/any-risks-in-creating-custom-os-x-extended-attributes
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# store *sum information along with the file for future backup/comparison
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if [ "$1" = "" ]; then
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outf=metadata-test
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cd /tmp
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else
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outf="$1"
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fi
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[ "$outf" = "metadata-test" ] && echo "thys be randome texte" >$outf
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#ls -alh $outf
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# see ' man xattr '
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# copy the md5sum for the file to its own metadata
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xattr -w md5 $(md5sum $outf |awk '{print $1}') $outf
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#79a6a33cf17bf7550486c58836928193 metadata-test
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# ^ md5sum output
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#xattr -l $outf
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#md5: 79a6a33cf17bf7550486c58836928193
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xattr -w sha1 $(sha1sum $outf |awk '{print $1}') $outf
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set -x
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xattr -l $outf
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ls -lh@ $outf
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