Re: [fpc-pascal] Replacing line in big text file

2012-10-08 Thread Tomas Hajny
On 8 Oct 12, at 18:43, Krzysztof wrote: > Thanks Tomas, I'll look at your example Well, the provided URL contains just my unit, not the example for using it. I'll send you the example privately off list. Tomas ___ fpc-pascal maillist - fpc-pascal@l

Re: [fpc-pascal] Replacing line in big text file

2012-10-08 Thread Krzysztof
Thanks Tomas, I'll look at your example ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal

Re: [fpc-pascal] Replacing line in big text file

2012-10-08 Thread Tomas Hajny
On Mon, October 8, 2012 17:00, Guionardo Furlan wrote: > 2012/10/8 Krzysztof : Hi, >> I must modify some one line (mostly first line) in big text file (~10 >> 000 lines). Doing this by loading and saving file using TStringList >> takes a long time (and amount of RAM). Exists any faster way based

Re: [fpc-pascal] Replacing line in big text file

2012-10-08 Thread Guionardo Furlan
If the line lenght has the same size, you can use a simple file of char to locate initial and ending offsets of the line and directly edit chars. I think this is the fastest way. 2012/10/8 Krzysztof : > Hi, > > I must modify some one line (mostly first line) in big text file (~10 > 000 lines). Doi

[fpc-pascal] Replacing line in big text file

2012-10-08 Thread Krzysztof
Hi, I must modify some one line (mostly first line) in big text file (~10 000 lines). Doing this by loading and saving file using TStringList takes a long time (and amount of RAM). Exists any faster way based on TextFile type (like Write, WriteLn)? Regards