如何使用R的sprintf在END中创建填充空白的固定宽度的字符串？

问题描述

我有字符串的矢量，并希望创建一个固定的字符串。较短的字符串应填充空白。例如：

I have vector of strings and want to create a fixed with string out of that. Shorter strings should be filled up with white spaces. E.g.:

c("fjdlksa01dada","rau","sjklf")
sprintf("%8s")
# returns
[1] "fjdlksa01dada" "     rau"      "   sjklf"

但是我怎样才能得到额外的空白字符串的结束？

But how can I get the additional whitespace at the END of the string?

请注意，我听说从 gdata的write.fwf package这真的很好，但在这种情况下帮不了多少，因为我需要为过时的旧程序编写非常具体的非标准格式。

Note that I heard of write.fwf from the gdata package which is really nice but doesn't help much in this case, because I need to write a very specific non-standard format for an outdated old program.

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