The 1.7 crawl script has the following line 125 SEGMENT=`ls -l $CRAWL_PATH/segments/ | sed -e "s/ /\\n/g" | egrep 20[0-9]+ | sort -n | tail -n 1`
There is an "ls -l " there which is causing the script to behave badly (not work) at least on OS X. A simple "ls" seems to fix it. -Aaron
