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\name{alview}
\alias{alview}
\title{Print DNA or AA Sequence Alignement}
\description{
This function displays in the console or a file an alignment of DNA or
AAsequences. The first sequence is printed on the first row and the
bases of the other sequences are replaced by dots if they are
identical with the first sequence.
}
\usage{
alview(x, file = "", uppercase = TRUE, showpos = TRUE)
}
\arguments{
\item{x}{a matrix or a list of DNA sequences (class \code{"DNAbin"})
or a matrix of AA sequences (class \code{"AAbin"}).}
\item{file}{a character string giving the name of the file where to print the sequences; by default, they are printed in the console.}
\item{uppercase}{a logical specifying whether to print the bases as
uppercase letters.}
\item{showpos}{either a logical value specifying whether to display
the site positions, or a numeric vector giving these positions (see
examples).}
}
\details{
The first line of the output shows the position of the last column of the printed alignment.
}
\author{Emmanuel Paradis}
\seealso{
\code{\link{DNAbin}}, \code{\link{image.DNAbin}}, \code{\link{alex}},
\code{\link{clustal}}, \code{\link{checkAlignment}}, \code{\link{all.equal.DNAbin}}
}
\examples{
data(woodmouse)
alview(woodmouse[, 1:50])
alview(woodmouse[, 1:50], uppercase = FALSE)
## display only some sites:
j <- c(10, 49, 125, 567) # just random
x <- woodmouse[, j]
alview(x, showpos = FALSE) # no site position displayed
alview(x, showpos = j)
\dontrun{
alview(woodmouse, file = "woodmouse.txt")
}
}
\keyword{IO}
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