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Update a database table in a for loop

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# 1  
Old 11-06-2018
Update a database table in a for loop
Im trying to update an informix database table for each occurance of a head_barcode in a file called mw within a for loop


please see below - cant get the syntax correct. any help please?




Code:
for a in `cat /tmp/mw`
do

sql image - << STOP > /dev/null 2>&1
update doc_table set status = 'Q'
where head_barcode = $a

STOP

 done



Moderator's Comments:
Mod Comment Please use CODE tags as required by forum rules!
Last edited by RudiC; 11-06-2018 at 09:02 AM.. Reason: Added CODE tags.
# 2  
Old 11-06-2018
More details, please. What's not correct? Error messages? Undesired behaviour?
# 3  
Old 11-06-2018
Hi Worky,

What errors do you see?
What's the OS
What version of Ingres?

Regards

Gull04
# 4  
Old 11-07-2018
It appears to run with no error message but it does not update the database
# 5  
Old 11-07-2018
Hi Worky,

Can you run it without the error message redirect, as in;

Code:
for a in `cat /tmp/mw`
do

sql image - << STOP
update doc_table set status = 'Q'
where head_barcode = $a

STOP

done

Can you send the output from, the questions in my previous post?

Regards

Gull04
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