running ingres script via cron

Hi. SCO OpenServer 5, early Ingres database.  Created the attached script meant to run every X minutes via cron.  The script works fine when run at the user prompt (not root but with db and file system privileges) and produces desire output reliably.  However, the same script produces zero length output file, with no messages delivered to user's mailbox, when cron runs it.  The output log file from the crontab entry mentions "sql: tm: not found" altho the db name is properly cited in the script and works fine manually.  Environment seems to be cited correctly.  I am perplexed, not having seen this behavior before.  Any suggestions?

#ridechrg.sh 12 hour export
 
#062609 - MH
#path
 
PATH=.:/dds/taxi/EXEC:/dds/taxi/TOOL:/dds/ingres/bin:/usr/local/prod:/usr/local/ddsbin:/usr/local/bin:/bin:/usr/bin:/usr/hosts:/etc:/dds/taxi/RNC/EXECUTABLES:/dds/taxi/RNC/TOOLS
 
cd /dds/taxi/TOOL
 
. $HOME/.env
 
dbname=$DATABASENAME
 
sql $dbname << EOF|utl_stripsql|sed -e 's/  //g'>ridechrg.txt
 
select payinfo_seq_a,',',
	trip_id_a,',',
	driver_id_a,',',
	car_id_a,',',
	payment_typ_a,',',
	payment_txt_a,',',
	inum_a,',',
	payment_amt_a,',',
	date_a,',',
	comp_num_a,',',
	hse_num_a,',',
	str_nam_a,',',
	district_a,',',
	unit_num_a,',',
	to_hse_num_a,',',
	to_str_nam_a,',',
	to_district_a,',',
	to_unit_num_a,',',
	mon_tim_a
	from pay_info_r
        where inum_a = '2100' and
        payment_typ_a = 'ACCOUNT' and
        _date(date_a) + (' ' + _time(date_a)) >= (date('now') - date('12 hours')) 
order by trip_id_a;\p\g
 
 
\q
EOF
 
 
		echo "user supervisor password
		cd Utah
		mput ridechrg.txt 
		quit" | ftp -v -i -n localftp
 
#save previous export in case of screw up
 
copy -mov /dds/taxi/TOOL/ridechrg.txt /dds/taxi/MIKE
rm /dds/taxi/TOOL/ridechrg.txt
 
exit 0

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ridechrgDOS.log
ridechrgDOSsh.txt
ridechrgcron.txt