Description:
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When I tried to enable the local search using the stock redhat htdig package instead of compiling it myself it just kept telling me 'There was an error executing this query.'

I found out that htdig couldn't find the configuration file (php.conf) which as the the site says should go into /usr/local/htdig/conf. Unfortunately redhat htdig is configured with /etc as it's configuration directory.

I've solved the problem by adding this line in htphp.sh (which is in the mirrorkit.tgz)
export CONFIG_DIR=/usr/local/htdig/conf


Reproduce code:
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#!/bin/sh

HTBINDIR=/usr/bin

QUERY_STRING="$@"
REQUEST_METHOD=GET
export CONFIG_DIR=/usr/local/htdig/conf
export QUERY_STRING REQUEST_METHOD

$HTBINDIR/htsearch