CAT man page on Plan9

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CAT(1)									CAT(1)

NAME
       cat, read - catenate files

SYNOPSIS
       cat [ file ...  ]
       read [ -m ] [ -n nline ] [ file ...  ]

DESCRIPTION
       Cat  reads  each file in sequence and writes it on the standard output.
       Thus

	      cat file

       prints a file and

	      cat file1 file2 >file3

       concatenates the first two files and places the result on the third.

       If no file is given, cat reads from  the	 standard  input.   Output  is
       buffered in blocks matching the input.

       Read  copies  to	 standard output exactly one line from the named file,
       default standard input.	It is useful in interactive rc(1) scripts.

       The -m flag causes it to continue reading and  writing  multiple	 lines
       until end of file; -n causes it to read no more than nline lines.

       Read  always  executes a single write for each line of input, which can
       be helpful when preparing input to programs that expect	line-at-a-time
       data.   It  never  reads any more data from the input than it prints to
       the output.

SOURCE
       /sys/src/cmd/cat.c
       /sys/src/cmd/read.c

SEE ALSO
       cp(1)

DIAGNOSTICS
       Read exits with status eof on end of file or, in the  -n	 case,	if  it
       doesn't read nlines lines.

BUGS
       Beware of and which destroy input files before reading them.

									CAT(1)
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