following is the method which trims the string which passes as an
argument and trims if it's length is greater than collength.
def trimstring(string, collength)
if(string.length>collength)
@str = ""
col = 0
@lines = 0..(string.length/collength)
for @line in @lines
@str += string[col,collength] + "<br>"
col = col+collength
end
return @str
else
return string
end
end
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