shithub: purgatorio

ref: a920c765f2b4130590fb5971a50690b21664957a
dir: /man/1/cat/

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.TH CAT 1
.SH NAME
cat \- concatenate files
.SH SYNOPSIS
.B cat
[
.B -
]
[
.I file ...
]
.SH DESCRIPTION
.I Cat
reads each
.I file
in turn and writes it on the standard output.
Thus
.IP
.EX
cat file
.EE
.PP
prints the file to standard output, and the following
.IP
.EX
cat file1 file2 >file3
.EE
.PP
concatenates two files onto a third.
.PP
If no
.I file
is given, or where
.B \-
is given as an argument,
.I cat
reads from the standard input.
Output is buffered in blocks matching the input.
.SH SOURCE
.B /appl/cmd/cat.b
.SH "SEE ALSO"
.IR cp (1),
.IR stream (1)
.SH BUGS
Beware of
.B "cat a b >a"
and
.B "cat a b >b"
which destroy input files before reading them.