awk is probably the best tool I can think of for cutting columns out
of a text file. Something like
awk -F \\t '{ print $2 "," $3 }' my_file
could be used to pick the second and third column out of a file prior
to importing it.
-Eric
On 4/18/05, newbie c <newbie_st@stripped> wrote:
> Hi,
>
> I am about to create a database and there are a number of files that I need
> to load into the database. They are tab delimited files. One of the files contains
> about 4 or 5 columns. I am only interested in the second and the third column right now
> but I will load the whole table. The values in the second column can occur more than once
> in the file.
> As well the values in the third column can occur more than once in the file.
>
> Another file that I want to load as a table into the databse only contains two
> column and one column will be unique while the second column will have
> duplicate values in the file.
>
> My question is when should I use mysqlimport, or load data and when should I write my
> own Perl parser to help load the table?
> What criteria would be needed to decide to read a file into a hash?
>
> Also, if I decide to use mysqlimport is there anything I should watch out for?
>
> thanks!
>
>
> ---------------------------------
> Post your free ad now! Yahoo! Canada Personals
>
>
--
Eric Bergen
eric.bergen@stripped
http://www.ebergen.net
