On Dec 15, 2012, at 1:06 PM, Andreas wrote:
> Hi,
>
> I need to import textfiles that have 5 columns but there is just blanks as
> delimitors.
> I could use COPY to read them but there is a time column that shows times as
> " h:mm.ss,ms" in the morning and "hh:mm.ss,ms" in the afternoon.
>
> Problem here is in the morning the first digit of the hour is shown as a
> blank so there are 2 blanks before the time so COPY misstakes this as an
> empty column and gets confused.
>
> Can someone point me in the direction of an COPY option I'm not aware of, or
> alternativly to some console tool that I can put in the batch before the
> import step and replace the 2 blanks with 1 blank.
>
> I use an OpenSuse server so some linux tool would do.
>
>
> regards
> Andreas
>
>
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sed and awk are your friends.
You might consider some text processing prior to import. I do this a lot
because I work with external datasets that require all kinds of massaging.
For example:
sed -e 's/^\s{2}/ /g' filename | psql DATABASE -c 'COPY table_name from STDIN'
the above will replace 2 spaces appearing at the front of the file with one
space, then pipe the result to psql copy command that expects input from STDIN.
Hope that is helpful
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