On Mon, Oct 1, 2012 at 12:33 AM, Alan Gauld <alan.ga...@btinternet.com>wrote:
> On 30/09/12 23:07, Cecilia Chavana-Bryant wrote: > >> Hola again Python Tutor! >> >> With a friend's help I have the following code to extract reflectance >> data from an ASCII data file, do a bit of data manipulation to calibrate >> the data and then write the calibrated file into an out file. >> > > > <snip> > > > I have successfully calibrated one ASCII file at a time with this code. >> However, I have 1,000s of files that I need to calibrate so I would like >> some help to modify this code so it can: >> >> 1. Use one calibration file (Cal_FileP17.txt) on data files created from >> July to the 18th Sep and a different calibration file (Cal_FileP19.txt) >> for data files created from the 19th of Sep onwards. >> >> 2. Find all the .txt files in a folder called ASCII_files, which is >> subdivided into 12 different folders and calibrate all these files >> > > > Number 2 is easier to solve and the os.walk() and glob.glob() > functions should provide all the tools you need. > > Number 1 is more tricky since there is no obvious way to determine the > arbitrary start/stop dates you specify. So I'd suggest you need to > generalise the requirement to take a start/stop date as well as the > calibration file name and the input data file pattern. Use those as input > parameters to a function that generates the list of files to process and > then calls your existing code (wrapped in a new function) and possibly > provide default values for all/some of the parameters. > > Another option is to add the start/end dates to the calibration file if > you have control of that, but personally I'd stick with input parameters... > > Many thanks Alan for your reply. I have added start and end dates as part of the header information for the calibration files in the date format: 01/07/2011. So, I now need to write some code to take this into consideration, any suggestions? > > -- > Alan G > Author of the Learn to Program web site > http://www.alan-g.me.uk/ > > ______________________________**_________________ > Tutor maillist - Tutor@python.org > To unsubscribe or change subscription options: > http://mail.python.org/**mailman/listinfo/tutor<http://mail.python.org/mailman/listinfo/tutor> >
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