1 :Info: list_tape_contents: ltc: 1985-10-31 list_tape_contents, ltc
2
3 Syntax as a command:
4 ltc vol1 -comment COMMENT_STRING ... volN -com COMMENT_STRING
5 -attach_args -control_args
6
7
8 Function: prints information about files recorded on 9-track magnetic
9 tape in either ANSI standard labeled or IBM standard labeled format.
10
11
12 Arguments:
13 voli -comment COMMENT_STRING
14 specifies the name of the tape volume set to be listed.
15 See "Notes on volume selection" below for more information..
16 -comment COMMENT_STRING, -com COMMENT_STRING
17 displays comment_string on the operator's console when the
18 volume_name immediately preceding -comment is mounted.
19 -attach_args
20 mtape_ attach control arguments. See "Notes on attachment" below
21 for more information..
22
23
24 Control arguments:
25 -volume_type type, -vt type
26 specifies the format type of volume set being processed. The value
27 of type may be "ibm" or "ansi". When -volume_type is omitted the
28 tape format type defaults to "ansi".
29 -brief, -bf
30 prints the identifier and sequence number of each file selected from
31 the volume set.
32 -long, -lg
33 prints detailed information about each file selected from the
34 volume set.
35
36
37 -from N
38 starts output of information with file number N
39 where: 0 < N < 10000
40 -to N
41 stops processing the volume set after file number N
42 where: 0 < N <10000
43
44
45 Notes on volume selection:
46 When specifying the volume identifier, The -volume -vol control
47 argument must proceed any volume identifier which begins with a hyphen.
48
49 If the volume set to be listed was created on Multics, only the first
50 volume identifier of the volume set must be input. The remainder of
51 the identifiers are retieved automatically from the volume set.
52
53 If the volume set to be listed was NOT created on Multics, each volume
54 identifer must be given.
55
56 Up to 64 volumes may be selected.
57
58
59 Notes on volume set information:
60 The information printed by this command is extracted from the tape
61 labels and printed in various amounts according to the control
62 arguments supplied. The information available for each level of
63 control is shown below. Where information is not obtainable from the
64 label, the value "****" is printed as the item entry.
65
66
67 Notes on output control arguments:
68 File information displayed by list_tape_contents changes when -brief
69 or -long control arguments are used, as shown in the table below.
70
71 Id: <file identifier> | -brief | |
72 Number: <file sequence number> | -bf | |
73 Format: <record format> | |
74 Blksize: <physical block size in characters> | default |
75 Lrecl: <logical record length in characters> | |
76 Mode: <encoding mode> | | -long
77 Created: <file creation date> | | -lg
78 Expires: <file expiration date> | |
79 Section: <file set section number> |
80 Version: <file generation version number> |
81 Generation: <file generation number> |
82
83
84 Notes on attachment:
85 A complete attach description is created for processing the volume set.
86 It is composed of the string:
87
88 "mtape_ -volume_type ansi -no_display -density 1600 -track 9
89 -error -device 1 -label -no_system -no_wait "
90
91 or
92
93 "mtape_ -volume_type ibm -no_display -density 1600 -track 9
94 -error -device 1 -label -no_system -no_wait "
95
96 Any mtape_ attach control arguments supplied to ltc are added to the
97 end of the attach description and passed to mtape_.
98
99
100 Notes on mtape_ setup operation defaults:
101 To avoid unexpected results, ltc supplies complete open, close and
102 detach descriptions to mtape_. These arguments will override any
103 default values that may have been established by the mtape_set_defaults
104 command.
105
106
107 Examples:
108
109 ltc m9999
110 Mounting volume "m9999" with no write ring
111 Mounted ANSI volume "m9999" recorded at 1600 BPI, on device tapa_07
112
113 ID Number Format Blksize Lrecl Mode Created Expires
114
115 FILE0001 1 SB 8192 1044480 BINARY 09/30/85 12/31/99
116 FILE0002 2 SB 2048 1044480 BINARY 09/30/85 12/31/99
117
118 --------------------
119
120
121 ltc m9999 -bf -from 2 -to 4 -vt ansi
122 Mounting volume "m9999" with no write ring
123 Mounted ANSI volume "m9999" recorded at 1600 BPI, on device tapa_07
124
125 ID Number
126
127 FILE0002 2
128 FILE0003 3
129 FILE0004 4
130
131 --------------------
132
133
134 ltc m9999 -lg
135 Mounting volume "m9999" with no write ring
136 Mounted ANSI volume "m9999" recorded at 1600 BPI, on device tapa_03
137
138 ID: ATTRIBUTEFILE0001 Number: 1 Section: 1
139 Created: 10/21/85 Expires: 12/31/99 Generation: 1 Version: 0
140 Format: SB Mode: BINARY Blksize: 8192 Lrecl: 1044480
141
142 ID: ATTRIBUTEFILE0002 Number: 2
143
144 ID: ATTRIBUTEFILE0003 Number: 3
145
146 Displayed characteristics for the last 3 files are identical.
147
148 --------------------
149
150
151 ltc m9999 -long -comment "message to console" -vt ibm
152
153
154 :hcom:
155
156
157
158 /****^ HISTORY COMMENTS:
159 1) change2020-12-15GDixon, approve2021-02-22MCR10088,
160 audit2021-05-27Swenson, install2021-05-27MR12.6g-0056:
161 A) Change "Syntax:" to "Syntax as a command:" in command info seg
162 last changed after 1984.
163 B) Fix other errors reported by the verify_info command.
164 END HISTORY COMMENTS */
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167