Description Usage Arguments Details Examples
Extended (hacked) version of strwrap: wraps a string at whitespace and plus symbols
1 2 3 |
x |
a character vector, or an object which can be converted to a
character vector by |
width |
a positive integer giving the target column for wrapping lines in the output. |
indent |
a non-negative integer giving the indentation of the first line in a paragraph. |
exdent |
a non-negative integer specifying the indentation of subsequent lines in paragraphs. |
prefix |
a character string to be used as prefix for each line. |
simplify |
a logical. If |
parsplit |
Regular expression describing how to split paragraphs |
wordsplit |
Regular expression decribing how to split words |
Whitespace in the input is destroyed. Double spaces after periods (thought as representing sentence ends) are preserved. Currently, possible sentence ends at line breaks are not considered specially.
Indentation is relative to the number of characters in the prefix string.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | ## Read in file 'THANKS'.
x <- paste(readLines(file.path(R.home("doc"), "THANKS")), collapse = "\n")
## Split into paragraphs and remove the first three ones
x <- unlist(strsplit(x, "\n[ \t\n]*\n"))[-(1:3)]
## Join the rest
x <- paste(x, collapse = "\n\n")
## Now for some fun:
writeLines(strwrap(x, width = 60))
writeLines(strwrap(x, width = 60, indent = 5))
writeLines(strwrap(x, width = 60, exdent = 5))
writeLines(strwrap(x, prefix = "THANKS> "))
## Note that messages are wrapped AT the target column indicated by
## 'width' (and not beyond it).
## From an R-devel posting by J. Hosking <jh910@juno.com>.
x <- paste(sapply(sample(10, 100, rep=TRUE),
function(x) substring("aaaaaaaaaa", 1, x)), collapse = " ")
sapply(10:40,
function(m)
c(target = m, actual = max(nchar(strwrap(x, m)))))
|
Loading required package: stats4
J. D. Beasley, David J. Best, Richard Brent, Kevin Buhr,
Michael A. Covington, Bill Cleveland, Robert Cleveland,, G.
W. Cran, C. G. Ding, Ulrich Drepper, Paul Eggert, J. O.
Evans, David M. Gay, H. Frick, G. W. Hill, Richard H.
Jones, Eric Grosse, Shelby Haberman, Bruno Haible, John
Hartigan, Andrew Harvey, Trevor Hastie, Min Long Lam,
George Marsaglia, K. J. Martin, Gordon Matzigkeit, C. R.
Mckenzie, Jean McRae, Cyrus Mehta, Fionn Murtagh, John C.
Nash, Finbarr O'Sullivan, R. E. Odeh, William Patefield,
Nitin Patel, Alan Richardson, D. E. Roberts, Patrick
Royston, Russell Lenth, Ming-Jen Shyu, Richard C.
Singleton, S. G. Springer, Supoj Sutanthavibul, Irma
Terpenning, G. E. Thomas, Rob Tibshirani, Wai Wan Tsang,
Berwin Turlach, Gary V. Vaughan, Michael Wichura, Jingbo
Wang, M. A. Wong, and the Free Software Foundation (for
autoconf code and utilities). See also files under
src/extras.
Many more, too numerous to mention here, have contributed
by sending bug reports and suggesting various improvements.
Simon Davies whilst at the University of Auckland wrote the
original version of glm().
Julian Harris and Wing Kwong (Tiki) Wan whilst at the
University of Auckland assisted Ross Ihaka with the
original Macintosh port.
R was inspired by the S environment which has been
principally developed by John Chambers, with substantial
input from Douglas Bates, Rick Becker, Bill Cleveland,
Trevor Hastie, Daryl Pregibon and Allan Wilks.
A special debt is owed to John Chambers who has graciously
contributed advice and encouragement in the early days of R
and later became a member of the core team.
Stefano Iacus (a former member of R Core) and Simon Urbanek
developed the macOS port, including the R.app GUI,
toolchains and packaging.
The Windows port was developed by Guido Masarotto (for a
while a member of R Core) and Brian Ripley, then Duncan
Murdoch (a former member of R Core) and currently by Jeroen
Ooms (base) and Uwe Ligges (packages).
Tomas Kalibera's work has been sponsored by Jan Vitek and
funded by his European Research Council grant "Evolving
Language Ecosystems (ELE)".
Computing support (including hardware, hosting and
infrastructure) has been provided/funded by the R
Foundation, employers of R-Core members (notably WU Wien,
ETH Zurich, U Oxford and U Iowa) and by Northeastern
University and the University of Kent.
Distributions of R contain the recommended packages, whose
authors/contributors are listed in their DESCRIPTION files.
J. D. Beasley, David J. Best, Richard Brent, Kevin
Buhr, Michael A. Covington, Bill Cleveland, Robert
Cleveland,, G. W. Cran, C. G. Ding, Ulrich Drepper, Paul
Eggert, J. O. Evans, David M. Gay, H. Frick, G. W. Hill,
Richard H. Jones, Eric Grosse, Shelby Haberman, Bruno
Haible, John Hartigan, Andrew Harvey, Trevor Hastie, Min
Long Lam, George Marsaglia, K. J. Martin, Gordon
Matzigkeit, C. R. Mckenzie, Jean McRae, Cyrus Mehta, Fionn
Murtagh, John C. Nash, Finbarr O'Sullivan, R. E. Odeh,
William Patefield, Nitin Patel, Alan Richardson, D. E.
Roberts, Patrick Royston, Russell Lenth, Ming-Jen Shyu,
Richard C. Singleton, S. G. Springer, Supoj Sutanthavibul,
Irma Terpenning, G. E. Thomas, Rob Tibshirani, Wai Wan
Tsang, Berwin Turlach, Gary V. Vaughan, Michael Wichura,
Jingbo Wang, M. A. Wong, and the Free Software Foundation
(for autoconf code and utilities). See also files under
src/extras.
Many more, too numerous to mention here, have
contributed by sending bug reports and suggesting various
improvements.
Simon Davies whilst at the University of Auckland
wrote the original version of glm().
Julian Harris and Wing Kwong (Tiki) Wan whilst at the
University of Auckland assisted Ross Ihaka with the
original Macintosh port.
R was inspired by the S environment which has been
principally developed by John Chambers, with substantial
input from Douglas Bates, Rick Becker, Bill Cleveland,
Trevor Hastie, Daryl Pregibon and Allan Wilks.
A special debt is owed to John Chambers who has
graciously contributed advice and encouragement in the
early days of R and later became a member of the core team.
Stefano Iacus (a former member of R Core) and Simon
Urbanek developed the macOS port, including the R.app GUI,
toolchains and packaging.
The Windows port was developed by Guido Masarotto (for
a while a member of R Core) and Brian Ripley, then Duncan
Murdoch (a former member of R Core) and currently by Jeroen
Ooms (base) and Uwe Ligges (packages).
Tomas Kalibera's work has been sponsored by Jan Vitek
and funded by his European Research Council grant "Evolving
Language Ecosystems (ELE)".
Computing support (including hardware, hosting and
infrastructure) has been provided/funded by the R
Foundation, employers of R-Core members (notably WU Wien,
ETH Zurich, U Oxford and U Iowa) and by Northeastern
University and the University of Kent.
Distributions of R contain the recommended packages,
whose authors/contributors are listed in their DESCRIPTION
files.
J. D. Beasley, David J. Best, Richard Brent, Kevin Buhr,
Michael A. Covington, Bill Cleveland, Robert
Cleveland,, G. W. Cran, C. G. Ding, Ulrich Drepper,
Paul Eggert, J. O. Evans, David M. Gay, H. Frick, G.
W. Hill, Richard H. Jones, Eric Grosse, Shelby
Haberman, Bruno Haible, John Hartigan, Andrew Harvey,
Trevor Hastie, Min Long Lam, George Marsaglia, K. J.
Martin, Gordon Matzigkeit, C. R. Mckenzie, Jean McRae,
Cyrus Mehta, Fionn Murtagh, John C. Nash, Finbarr
O'Sullivan, R. E. Odeh, William Patefield, Nitin
Patel, Alan Richardson, D. E. Roberts, Patrick
Royston, Russell Lenth, Ming-Jen Shyu, Richard C.
Singleton, S. G. Springer, Supoj Sutanthavibul, Irma
Terpenning, G. E. Thomas, Rob Tibshirani, Wai Wan
Tsang, Berwin Turlach, Gary V. Vaughan, Michael
Wichura, Jingbo Wang, M. A. Wong, and the Free
Software Foundation (for autoconf code and utilities).
See also files under src/extras.
Many more, too numerous to mention here, have contributed
by sending bug reports and suggesting various
improvements.
Simon Davies whilst at the University of Auckland wrote the
original version of glm().
Julian Harris and Wing Kwong (Tiki) Wan whilst at the
University of Auckland assisted Ross Ihaka with the
original Macintosh port.
R was inspired by the S environment which has been
principally developed by John Chambers, with
substantial input from Douglas Bates, Rick Becker,
Bill Cleveland, Trevor Hastie, Daryl Pregibon and
Allan Wilks.
A special debt is owed to John Chambers who has graciously
contributed advice and encouragement in the early days
of R and later became a member of the core team.
Stefano Iacus (a former member of R Core) and Simon Urbanek
developed the macOS port, including the R.app GUI,
toolchains and packaging.
The Windows port was developed by Guido Masarotto (for a
while a member of R Core) and Brian Ripley, then
Duncan Murdoch (a former member of R Core) and
currently by Jeroen Ooms (base) and Uwe Ligges
(packages).
Tomas Kalibera's work has been sponsored by Jan Vitek and
funded by his European Research Council grant
"Evolving Language Ecosystems (ELE)".
Computing support (including hardware, hosting and
infrastructure) has been provided/funded by the R
Foundation, employers of R-Core members (notably WU
Wien, ETH Zurich, U Oxford and U Iowa) and by
Northeastern University and the University of Kent.
Distributions of R contain the recommended packages, whose
authors/contributors are listed in their DESCRIPTION
files.
THANKS> J. D. Beasley, David J. Best, Richard Brent, Kevin Buhr,
THANKS> Michael A. Covington, Bill Cleveland, Robert Cleveland,, G. W.
THANKS> Cran, C. G. Ding, Ulrich Drepper, Paul Eggert, J. O. Evans,
THANKS> David M. Gay, H. Frick, G. W. Hill, Richard H. Jones, Eric
THANKS> Grosse, Shelby Haberman, Bruno Haible, John Hartigan, Andrew
THANKS> Harvey, Trevor Hastie, Min Long Lam, George Marsaglia, K. J.
THANKS> Martin, Gordon Matzigkeit, C. R. Mckenzie, Jean McRae, Cyrus
THANKS> Mehta, Fionn Murtagh, John C. Nash, Finbarr O'Sullivan, R. E.
THANKS> Odeh, William Patefield, Nitin Patel, Alan Richardson, D. E.
THANKS> Roberts, Patrick Royston, Russell Lenth, Ming-Jen Shyu, Richard
THANKS> C. Singleton, S. G. Springer, Supoj Sutanthavibul, Irma
THANKS> Terpenning, G. E. Thomas, Rob Tibshirani, Wai Wan Tsang, Berwin
THANKS> Turlach, Gary V. Vaughan, Michael Wichura, Jingbo Wang, M. A.
THANKS> Wong, and the Free Software Foundation (for autoconf code and
THANKS> utilities). See also files under src/extras.
THANKS>
THANKS> Many more, too numerous to mention here, have contributed by
THANKS> sending bug reports and suggesting various improvements.
THANKS>
THANKS> Simon Davies whilst at the University of Auckland wrote the
THANKS> original version of glm().
THANKS>
THANKS> Julian Harris and Wing Kwong (Tiki) Wan whilst at the
THANKS> University of Auckland assisted Ross Ihaka with the original
THANKS> Macintosh port.
THANKS>
THANKS> R was inspired by the S environment which has been principally
THANKS> developed by John Chambers, with substantial input from Douglas
THANKS> Bates, Rick Becker, Bill Cleveland, Trevor Hastie, Daryl
THANKS> Pregibon and Allan Wilks.
THANKS>
THANKS> A special debt is owed to John Chambers who has graciously
THANKS> contributed advice and encouragement in the early days of R and
THANKS> later became a member of the core team.
THANKS>
THANKS> Stefano Iacus (a former member of R Core) and Simon Urbanek
THANKS> developed the macOS port, including the R.app GUI, toolchains
THANKS> and packaging.
THANKS>
THANKS> The Windows port was developed by Guido Masarotto (for a while
THANKS> a member of R Core) and Brian Ripley, then Duncan Murdoch (a
THANKS> former member of R Core) and currently by Jeroen Ooms (base)
THANKS> and Uwe Ligges (packages).
THANKS>
THANKS> Tomas Kalibera's work has been sponsored by Jan Vitek and
THANKS> funded by his European Research Council grant "Evolving
THANKS> Language Ecosystems (ELE)".
THANKS>
THANKS> Computing support (including hardware, hosting and
THANKS> infrastructure) has been provided/funded by the R Foundation,
THANKS> employers of R-Core members (notably WU Wien, ETH Zurich, U
THANKS> Oxford and U Iowa) and by Northeastern University and the
THANKS> University of Kent.
THANKS>
THANKS> Distributions of R contain the recommended packages, whose
THANKS> authors/contributors are listed in their DESCRIPTION files.
[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [,13]
target 10 11 12 13 14 15 16 17 18 19 20 21 22
actual 10 10 11 12 13 14 15 16 17 18 19 20 21
[,14] [,15] [,16] [,17] [,18] [,19] [,20] [,21] [,22] [,23] [,24] [,25]
target 23 24 25 26 27 28 29 30 31 32 33 34
actual 22 23 24 25 26 27 28 29 30 31 32 33
[,26] [,27] [,28] [,29] [,30] [,31]
target 35 36 37 38 39 40
actual 34 35 36 37 38 39
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