[ncl-talk] How to select specific strings from input filenames and use it for output filenames

[Dennis Shea]

Click 'Examples' in the upper left of the NCL home page

Then Click 'IO Examples' ... there are *many* csv (ascii) examples.

https://www.ncl.ucar.edu/Applications/list_io.shtml

On Mon, Sep 25, 2017 at 1:33 AM, Lyndon Mark Olaguera <
olagueralyndonmark429 at gmail.com> wrote:

> Thank you Guido for the fast response.
>
> I got it already. I used the *str_get_cols* to accomplish this.
>
>
> Sincerely,
>
> Lyndz
>
>
>
> On Mon, Sep 25, 2017 at 4:06 PM, Guido Cioni <guidocioni at gmail.com> wrote:
>
>> Yes there is,
>> see here https://www.ncl.ucar.edu/Document/Functions/Built-in/st
>> r_sub_str.shtml and here https://www.ncl.ucar.edu/
>> Document/Functions/Built-in/str_split_by_length.shtml.
>>
>> Il giorno 25 set 2017, alle ore 07:20, Lyndon Mark Olaguera <
>> olagueralyndonmark429 at gmail.com> ha scritto:
>>
>> Dear NCL-experts,
>>
>> I am trying to read and process multiple csv files. Here is my script:
>>
>>
>> begin
>>    diri     = "./"
>>    files     = systemfunc("ls *.csv")
>>    numfiles = dimsizes(files)
>>    do ifil  = 0,numfiles-1
>>      lines    = asciiread(files(ifil),-1,"string")
>>      data        = lines(1:)
>>      ;print(data)
>>      rain        = tofloat(str_get_field(data,1,","))
>> ;;***************************************************
>> ;;Apply 1-2-1 running average (three pentads)
>> ;;****************************************************
>>   x = wgt_runave(rain, (/0.25, 0.50, 0.25/), 0)
>>   x at _FillValue = -9999
>> ;;****************************************************
>> ;;Save output to a csv file
>> ;;****************************************************
>>   flname = files(ifil)+"_filt.csv"
>>   asciiwrite(flname,x)
>>   end do
>> end
>>
>>
>> Question:
>>
>> [1] The output of this script is like this:
>>
>> *sg_X1980.csv_filt.csv*
>>
>> I want the output to be like : sg_X1980_filt.csv
>>
>> Is there a way to "cut" or "select" specific strings from the input
>> filename and use it for the output filename.
>>
>> I'll appreciate any help.
>>
>> Sincerely,
>>
>> Lyndz
>>
>>
>>
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>>
>
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