On Aug 21, 2009, at 3:21 PM, zilore mumba wrote: > Thanks very much Curtis. > I will try your suggestions. > Meanwhile, below is some of the text that appears in my files. The > text to be replaced is in blue. Somewhere in the file there is nxny > 1369 1380. 1369 is the correct one (37 x 37). > > The people who are writing the files (these are forecast winds ...) > are writing in complex format, hence the double headers and my > software is not able to read correctly because of double headers. > Zilore > > rec 1:0:date 2009072900 UGRD kpds5=33 kpds6=100 kpds7=850 > levels=(3,82) grid=255 850 mb 24hr fcst: > UGRD=u wind [m/s] > timerange 0 P1 24 P2 0 TimeU 1 nx 1380 ny 1 GDS grid 0 num_in_ave > 0 missing 0 > center 98 subcenter 0 process 110 Table 1 > latlon: lat 90.000000 to 0.000000 by 2.500000 nxny 1380 > long -90.000000 to 0.000000 by 2.500000, (1380 x 1) scan 0 > mode 128 bdsgrid 1 > min/max data -21.0971 -5.09805 num bits 14 BDS_Ref -21.0971 > DecScale 0 BinScale -10
You /cannot/ do what you want to do. These are variable-length records. You cannot rewrite them; you /must/ create a new file. -- John W Kennedy "Compact is becoming contract, Man only earns and pays." -- Charles Williams. "Bors to Elayne: On the King's Coins" _______________________________________________ ActivePerl mailing list ActivePerl@listserv.ActiveState.com To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs
