Used with character data to remove leading and trailing blanks and compress embedded multiple blanks to one blank. The argument must be a simple character vector or scalar.
ŒDBR ' JAN FEB MAR APRIL MAY ' JAN FEB MAR APRIL MAY
A left-hand argument can be included. It defines a character or characters to be used as delimiters in the right-hand argument. Leading and trailing blanks, and blanks preceding and following the delimiters are suppressed. Unless the space character is included in the left argument, other blanks remain:
'*' ŒDBR ' X JAN * FEB MAR *APRIL * MAY Y ' X JAN*FEB MAR*APRIL*MAY Y '* ' ŒDBR ' X JAN * FEB MAR *APRIL * MAY Y ' X JAN*FEB MAR*APRIL*MAY Y