The following is a listing of the SAS® data retrieval code (flask.sas)
written by CDIAC to read and print any of the files containing CO2 mixing ratios from
individual flask samples.
filename dat 'alt.co2';
data cmdlco2;
infile dat firstobs=11;
input sta $ 1-3 yyyy 5-8 mm 10-11 dd 13-14 hr 16-17 min 19-20 flaskid $ 22-29
smethod $ 31 co2 34-40 datasel $ 42-44 instru $ 46-47 samyy 49-52
sammm 54-55 samdd 57-58 dayfile $ 60-65;
proc print;
run;
The following is a listing of the SAS® data retrieval code (month.sas) written by CDIAC to read and print any of the files containing the NOAA/CMDL monthly CO2 mixing ratios.
filename dat 'altmm.co2'; data monthly; infile dat firstobs=11; input sta $ yyyy mm co2; proc print; run;
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