format integer numbers with leading 0

Marc Girondot via R-help <r-help at r-project.org> writes:

I would like format integer number as characters with leading 0 for a 
fixed width, for example:

1 shoud be "01"
2 shoud be "02"
20 should be "20"

formatC(x, width=2, flag="0")
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 832 bytes
Desc: not available
URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20180104/4e503279/attachment.sig>