Jorgen Grahn, 13.03.2012 21:44:
On Mon, 2012-03-12, MRAB wrote:
Probably the best solution is to put it into a database. Have a look at
the sqlite3 module.
Some people like to use databases for everything, others never use
them. I'm in the latter crowd, so to me this sounds as overkill
On Mon, 2012-03-12, MRAB wrote:
On 12/03/2012 19:39, Virgil Stokes wrote:
I have a rather large ASCII file that is structured as follows
header line
9 nonblank lines with alphanumeric data
header line
9 nonblank lines with alphanumeric data
...
...
...
header line
9 nonblank lines with
I have a rather large ASCII file that is structured as follows
header line
9 nonblank lines with alphanumeric data
header line
9 nonblank lines with alphanumeric data
...
...
...
header line
9 nonblank lines with alphanumeric data
EOF
where, a data set contains 10 lines (header + 9 nonblank)
On 12/03/2012 19:39, Virgil Stokes wrote:
I have a rather large ASCII file that is structured as follows
header line
9 nonblank lines with alphanumeric data
header line
9 nonblank lines with alphanumeric data
...
...
...
header line
9 nonblank lines with alphanumeric data
EOF
where, a data set
On 12 March 2012 19:39, Virgil Stokes v...@it.uu.se wrote:
I have a rather large ASCII file that is structured as follows
header line
9 nonblank lines with alphanumeric data
header line
9 nonblank lines with alphanumeric data
...
...
...
header line
9 nonblank lines with alphanumeric
If the ID's are sorted, you could probably rig a binary search using seek.
This'll be easier if the records have a constant length, but it's still
possible for variable-length, just messier.
Otherwise you could stash them all in a dictionary (in memory) or anydbm
(on disk) to get indexed access.
header line
9 nonblank lines with alphanumeric data
header line
9 nonblank lines with alphanumeric data
...
...
...
header line
9 nonblank lines with alphanumeric data
EOF
where, a data set contains 10 lines (header + 9 nonblank) and there can
be several thousand
data
On Monday, 12 March 2012 20:31:35 UTC, MRAB wrote:
On 12/03/2012 19:39, Virgil Stokes wrote:
I have a rather large ASCII file that is structured as follows
header line
9 nonblank lines with alphanumeric data
header line
9 nonblank lines with alphanumeric data
...
...
...
