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Convert delimited to fixed length

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# 8  
Old 10-26-2005
MySQL
Quote:
Originally Posted by nelson553011
I thought I had this figured out, but I'm running into another scenario that I need help with. Do you know how I can fix this if I have no data in a field, <<tab>><<tab>>? What is happening is that it's just going to the next field where there is data and using that, but I need it to use the empty field. Not sure if I explained that well, so here's an example -
Input file - (first field left justified NULL padded (10bytes), second field left justified NULL padded (1 byte), and third field left justified NULL padded (10bytes))
Bob Smith<<tab>><<tab>>Susan Smit
Kathy Reys<<tab>>A<<tab>>Ron Davis

Output file currently getting -
Bob Smith<<NULL>>Susan Smit
Kathy ReysARon Davis<<NULL>>

Needed output -
Bob Smith<<NULL>><<NULL>>Susan Smit
Kathy ReysARonDavis<<NULL>>

Hopefully that makes sense, if not I can try to explain more.
Thanks.
Code:
ruby -F\t -nale'print $F[0].ljust(10,0.chr),$F[1].ljust(1,0.chr),
$F[2].ljust(10,0.chr)' file

Last edited by futurelet; 10-26-2005 at 07:21 PM..
# 9  
Old 10-26-2005
And for those without ruby...
Code:
#! /usr/bin/ksh
typeset -L13 name
typeset -R10 val
PAD="%"
NULLS="${PAD}${PAD}${PAD}${PAD}"
NULLS="${NULLS}${NULLS}${NULLS}${NULLS}"
IFS="   "
exec < data
while read  line; do
        set - $line
        val="00000000000000"$2
        name=${1}${NULLS}
        echo "$name $val"
done #  | tr $PAD "\000"
exit 0

# 10  
Old 10-27-2005
Any other ideas?
I still seem to be getting the same results as before. I have dug through every book I have and I cant figure out how to fix this. It's still skipping over empty fields instead of setting them to NULLs.
# 11  
Old 10-27-2005
Post a small sample of input data that fails. I cannot get my latest script to fail.
# 12  
Old 10-27-2005
Sample file
Here is a very small sample file with 3 fields. The first record has data in field 1 and field 3 and the 2nd field is empty and the second record has data in field 1 and 2 and field 3 is empty.
tim.txt (47 Bytes) 
# 13  
Old 10-27-2005
Neither record has any numeric data in it. I do not understand how this data relates to the original problem which was:
Bob Smith<<tab>>139.90
Kathy Reys<<tab>>-40.50
Two fields per record, not three.
Second field was numeric.
# 14  
Old 10-27-2005
More Info
I'm sorry, I should have explain it better. As I was trying to work with more data and more files I ran into this new scenario. I maybe should have opened a new thread, but I wasn't sure. This is a new data scenario, but using the same solution that you originally sent me, adding another field, and changing the second and third field to text.
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