#!/bin/sh

# ----------------------------------------------------------------------
# $Id: yte 57 2006-04-13 02:22:53Z dlc $
# ----------------------------------------------------------------------

APPID=`echo $YAHOO_APPID`

if [ x"$APPID" = x ]
then
    echo 'You need to put your Yahoo! appid in $YAHOO_APPID' 1>&2
    exit 1
fi

if [ -z "$1" ]
then
    DATA=`cat`
else
    DATA=`cat $1 | sed -e 's/"/"/g'`
fi

curl -s -d appid=$APPID -d "context=$DATA" \
    http://api.search.yahoo.com/ContentAnalysisService/V1/termExtraction | \
    xmllint --format - | \
    sed -ne 's! *<Result>\(.*\)</Result>!\1!p'