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- CAT User Commands CAT
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- NNAAMMEE
- cat - catenate and print
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- SSYYNNOOPPSSIISS
- ccaatt [ --bbeennssttuuvv ] file ...
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- DDEESSCCRRIIPPTTIIOONN
- _C_a_t reads each _f_i_l_e in sequence and displays it on the stan-
- dard output. Thus
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- cat file
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- displays the file on the standard output, and
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- cat file1 file2 >file3
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- concatenates the first two files and places the result on
- the third.
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- If no input file is given, or if the argument `-' is encoun-
- tered, _c_a_t reads from the standard input file. Output is
- buffered in the block size recommended by _s_t_a_t(2) unless the
- standard output is a terminal, when it is line buffered.
- The --uu option makes the output completely unbuffered.
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- The --nn option displays the output lines preceded by lines
- numbers, numbered sequentially from 1. Specifying the --bb
- option with the --nn option omits the line numbers from blank
- lines.
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- The --ss option crushes out multiple adjacent empty lines so
- that the output is displayed single spaced.
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- The --vv option displays non-printing characters so that they
- are visible. Control characters print like ^X for control-
- x; the delete character (octal 0177) prints as ^?. Non-
- ascii characters (with the high bit set) are printed as M-
- (for meta) followed by the character of the low 7 bits. A
- --ee option may be given with the --vv option, which displays a
- `$' character at the end of each line. Specifying the --tt
- option with the --vv option displays tab characters as ^I.
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- SSEEEE AALLSSOO
- cp(1), ex(1), more(1), pr(1), tail(1)
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- BBUUGGSS
- Beware of `cat a b >a' and `cat a b >b', which destroy the
- input files before reading them.
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- Sprite v1.0 September 29, 1987 1
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