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1.1 root 1:
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3: scat Command scat
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8: Print text files one screenful at a time
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10: ssccaatt [ [_o_p_t_i_o_n ...] [_f_i_l_e ...] ] ...
11:
12: scat prints each file on the standard output, one screenful (24
13: lines) at a time if the output is a screen. scat reads and
14: prints the standard inputif no file is named.
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16: The text is processed to allow convenient viewing on a screen;
17: the options described below select the nature of the processing.
18: Options begin with `-' and may be interspersed with file names.
19:
20: scat scans two argument lists. The first is in the environmental
21: SCAT. It should consist of arguments separated by white space
22: (space, tab, or newline characters), with no quoting or shell
23: metacharacters. This string is a useful place to set terminal-
24: dependent parameters (such as page width and length) and to place
25: invocation lists (see below). The second argument list is sup-
26: plied on the command line.
27:
28: scat recognizes the following options:
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30: -11 Do not stop at EOF if exactly one file was specified on the
31: command line.
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33: -bb_n Begin output at input line n.
34:
35: -cc Represent all control characters unambiguously. With this
36: option, scat prints control characters in the range 0-037 as
37: a character in the range 0100-0137 prefixed by a carat `^';
38: for example, SOH appears as ``^A'' and DEL as ``^?'' It
39: prints mark-parity characters (in the range of 0200-0377)
40: with `~'; for example, mark-parity `A' and SOH appear as
41: ``~A'' and ``~^A'', respectively. It also prefixes the
42: characters `^', `~', and `\' with a `\'. This option over-
43: rides the option -t.
44:
45: -ccss Like -c, but map space ` ' to underscore `_' and prefix un-
46: derscore `_' with `\'.
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48: -cctt Like -c, but map tabs to spaces, not ``^I''.
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50: -ii_n Shift the display window right n columns into the text
51: field. This is useful for viewing long lines.
52:
53: -ll_n Set the display window length to n lines. The default is 24
54: normally, 34 for the Tek 4012.
55:
56: -nn Number input lines; wrapped lines are not numbered.
57:
58: -rr Remote; the output is not paged.
59:
60: -ss Skip empty lines.
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64: COHERENT Lexicon Page 1
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68:
69: scat Command scat
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73: -SS_n Seek n bytes into input before processing.
74:
75: -tt Truncate long lines. Normally, scat wraps each long line,
76: with the interrupted portion delimited by a `\'.
77:
78: -ww_n Set the display window width to n columns. The default is
79: 80 normally, 72 for the Tek 4012.
80:
81: -xx Expand tabs.
82:
83: -. _s_u_f_f_i_x
84: Invoke options by file-name suffix. If a file name ends
85: with .suffix, then scat scans the argument sublist starting
86: immediately after the invocation flag. New options will ap-
87: ply to the invoking file only. A sublist is terminated by
88: the end of the argument list, by a file name, by the ``--''
89: flag, or by another ``-.'' (invocation lists do not nest).
90:
91: -- Terminate a sublist (see previous option).
92:
93: Numbers may begin with 0 to indicate octal, and may end in b or k
94: to be scaled by 512 or 1,024, respectively.
95:
96: If the output is being paged, scat waits for a user response,
97: which may be one of the following:
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99:
100: nneewwlliinnee Display next page
101: / Display next half-page
102: ssppaaccee Display next line
103: ff Print current file name and line number
104: nn ssccaatt next file
105: qq Quit
106:
107:
108: ***** Example *****
109:
110: The following shows how to use the environment argument list, in-
111: vocation lists, and sublists:
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113:
114: SCAT="-l24 -.c -n -.s -b5"
115: export SCAT
116: scat *.c *.s
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118:
119: After processing the SCAT argument list, scat processes the com-
120: mand line argument list ``*.cc *.ss'' with the page length at 24
121: lines. If a file is a C source (``*.cc'') the invoke option in
122: the SCAT argument list numbers the output lines. If a file is an
123: assembly source (``*.ss'') scat skips the first four lines.
124:
125: ***** See Also *****
126:
127: cat, commands, pr
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130: COHERENT Lexicon Page 2
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135: scat Command scat
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196: COHERENT Lexicon Page 3
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