I have a tab delimited file consisting of several lines, one record per line that I 
have to process.  I don't see a function similar to "fgetcsv" for TABS so I've used 
the "file" function to read the whole file into an array, one line per array element.  
So far so good.

Now I have to process each line and extract the fields.  My question is, how do I 
search for the TAB character?  Is it as simple as searching on the ascii code by using 
the "chr" function?  If so, what value do I use in "chr" to look for TAB?


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