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#! /bin/sh
set -euf
tc=${TC:="usd"}
sc=${SC:="eur"}
usage(){
echo 'TC= targetcurrency, valid strings are in the style of "usd", "eur" or "sgd". default "usd"'
echo 'SC= sourcecurrency, same as TC, default is eur'
echo 'Example: TC="sgd" ./currency.google 11'
exit 0
}
currency_convert(){
text=$*
url="http://www.google.com/finance/converter?a=$1&from=$sc&to=$tc"
curl -A "Mozilla/5.0" -Ss "$url" |
sed '/res/!d;s/<[^>]*>//g' |
#sed 's/\[\[\[\"//' |
awk '{print $4}'
}
if [ $# -eq 0 ]; then
usage
fi
currency_convert $*
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