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mystring.split('.') versus substring(mystring,'.',/extract) [message #94764]

Mon, 02 October 2017 02:49

trisb
Messages: 18
Registered: November 2010

Junior Member

Hi everyone,

I have the following string

mystring = "MY.NESTED.FILENAME.ARGH"

What I want to do is split the string into substrings with the dot as the dividing character. Two methods area available but only one delivers:

This works:

IDL> out = strsplit(mystring,'.',/extract)
IDL> help,out
OUT STRING = Array[4]
IDL> print,out
MY NESTED FILENAME ARGH

This doesn't:

IDL> out = mystring.split('.')
IDL> help,out
OUT STRING = Array[24]
IDL> print,out

Any clue as to why the second one behaves that way? Note that this only happens with the dot, so I must be missing something fundamental.

Thanks,
F.

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