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#!/bin/sh
#
# Convert text file to UTF-8 encoding.
#
# Aaron LI
# 2018-01-17
#
case "$1" in
""|-h|--help)
echo "usage: ${0##*/} <file1> ..."
exit 1;
;;
esac
convert() {
from="$1"
infile="$2"
iconv -f $from -t UTF-8 "$infile" > _tmp.$$
if [ $? -eq 0 ]; then
mv _tmp.$$ "$infile"
echo "converted to UTF-8 from $from"
else
rm _tmp.$$
echo "ERROR: failed conversion from $from"
fi
}
while [ -n "$1" ]; do
infile="$1"
shift;
echo "=== $infile ==="
if file "$infile" | grep -q "UTF-8 Unicode"; then
echo "already UTF-8; skip it"
elif file "$infile" | grep -q "UTF-16 Unicode"; then
convert UTF-16 "$infile"
else
convert GBK "$infile"
fi
done
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