Can anyone please tell me how to strip the white spaces from a character vector?

for example:

a$tic[1:10]

[1] "AIR " "ABCB " "ABXA " "ACMR " "ADCT " "ADEX "
[7] "ABM " "AFCE " "AG " "ATG "
 Can anyone please tell me how to strip the white spaces from a$tic?

Not beeing an expert for regular expressions, I'd try
    sub(" *$", "", sub("^ *", "", a$tic))
to strip from beginnings and ends but there may be far better approches.
In order to remove *all* blanks, try
    gsub(" ", "", a$tic)

Uwe Ligges

 Thanks,
 Roger

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