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#!/bin/bash
# TODO: the best sorting results are acheived when the field separator
# precedes any valid package name character in ASCII order -
# the lowest of which is ASCII 43 '+'; so
# ASCII 33 ('!') serves this purpose quite well -
# someday, we should re-write the tools to use '!' instead of ':' -
# then the sort command alone would yeild the same results as this script
# and the warning could be removed from 'check.sh'
readonly CSV_CHAR=':'
readonly SEP_CHAR='!'
for blacklist in *.txt
do if grep ${SEP_CHAR} ${blacklist}
then echo "can not sort: '${blacklist}' - contains '${SEP_CHAR}' char"
else echo "sorting: '${blacklist}'"
cat ${blacklist} | tr "${CSV_CHAR}" "${SEP_CHAR}" | sort | uniq | tr "${SEP_CHAR}" "${CSV_CHAR}" > ${blacklist}.temp
mv ${blacklist}.temp ${blacklist}
fi
done
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