[Qgis-user] ctrl-c selection issue

[Kosza Antal]

Jeroen Hovens a következőt írta ekkor: 2018. január 10., szerda 12:26:42 EET
> At the moment I make the selection using the Select by expression tool. I
> then choose one of the  Gem2017 values (each object is an address, and has
> one of 388 unique Gem217 values). I want to select all objects bwith one
> unique Gem2017 value. Making the selection is no problem, I can make any
> selection I want. Making the selection usually takes less then a minute.
> The problem is in copying specific selections to the clipboard or saving a
> selection as a new file. Copying a selection of about 20.000 objects from
> the 7,5 mln takes about a second. Unless the issue arises, then the copy
> process takes forever
> 

You can try with csvgrep from csvkit (https://pypi.python.org/pypi/csvkit)

csvgrep -d ';' -c Gem2017  -m 363 pc6hnr20170801_gwb.csv > new.csv