| FreeMat
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Section: String Functions
Removes the white-spaces at the beginning and end of a string (or a cell array of strings). See isspace for a definition of a white-space. There are two forms for the strtrim function. The first is for single strings 
y = strtrim(strng)
 where strng is a string. The second form operates on a cell array of strings 
y = strtrim(cellstr)
and trims each string in the cell array.
Here we apply strtrim to a simple string
--> strtrim('  lot of blank spaces    ');
and here we apply it to a cell array
--> strtrim({'  space','enough ',' for ',''})
ans = 
 [space] [enough] [for] []