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Need to read date field from table in BTEQ on UNIX

Need to read date field from table in BTEQ on UNIX

(OP)
Hi,

I have following bteq script to export some data on Unix enviornment. run_date I am getting from teradata Control date table:

.export report file ='export_file_name'

Select ****
FROM *,*,*,*,control_table
WHERE
cust_date between Control_table.run_date -2 and control_table.run_date
;

.export reset

update control_Table
set run_date = run_date +2;
.quit;

I want to attach Control_table.run_date to the export file name so my export file command would look like:

.export report file ='Control_table.run_date.export_file_name'

file name I would like to be for example: 20070418.export_file_name

Any solution?
AKA

RE: Need to read date field from table in BTEQ on UNIX

you need two bteq scripts inside your Unix shell script :

# Prepare the tmp.sh script and get the run_date value
bteq << first
.logon ??
.export report file ='tmp.sh'
SELECT     'export run_date=' || (run_date (format '??'))
FROM    control_table
;
.export reset
.quit 0
first

# Execute the tmp.sh script wich sets the run_date variable
chmod +x tmp.sh
tmp.sh
rm tmp.sh

# Execute your export script
bteq << second
.logon ??
.export report file ='${run_date}.export_file_name'
...
.quit;
second

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