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tyesterday.1 (1700B)
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1 .TH YESTERDAY 1
2 .SH NAME
3 yesterday \- print file names from the dump
4 .SH SYNOPSIS
5 .B yesterday
6 [
7 .B -cCd
8 ] [
9 .B -n
10 .I daysago
11 ] [
12 .I \-date
13 ]
14 .I files ...
15 .SH DESCRIPTION
16 .I Yesterday
17 prints the names of the
18 .I files
19 from the most recent dump.
20 Since dumps are done early in the morning,
21 yesterday's files are really in today's dump.
22 For example, if today is February 11, 2003,
23 .IP
24 .EX
25 yesterday /home/am3/rsc/.profile
26 .EE
27 .PP
28 prints
29 .IP
30 .EX
31 /dump/am/2003/0211/home/am3/rsc/.profile
32 .EE
33 .PP
34 In fact, the implementation is to select the most recent dump in
35 the current year, so the dump selected may not be from today.
36 .PP
37 By default,
38 .I yesterday
39 prints the names of the dump files corresponding to the named files.
40 The first set of options changes this behavior.
41 .TP
42 .B -c
43 Copy the dump files over the named files.
44 .TP
45 .B -C
46 Copy the dump files over the named files only when
47 they differ.
48 .TP
49 .B -d
50 Run
51 .B diff
52 to compare the dump files with the named files.
53 .PP
54 The
55 .I date
56 option selects other day's dumps, with a format of
57 1, 2, 4, 6, or 8 digits of the form
58 .IR d,
59 .IR dd ,
60 .IR mmdd ,
61 .IR yymmdd ,
62 or
63 .IR yyyymmdd .
64 .PP
65 The
66 .B -n
67 option selects the dump
68 .I daysago
69 prior to the current day.
70 .PP
71 .I Yesterday
72 does not guarantee that the string it prints represents an existing file.
73 .SH EXAMPLES
74 .PP
75 See what's changed in the last week in your profile:
76 .IP
77 .EX
78 yesterday -d -n 7 ~/.profile
79 .EE
80 .PP
81 Restore your profile from yesterday:
82 .IP
83 .EX
84 yesterday -c ~/.profile
85 .EE
86 .SH FILES
87 .TF /dump
88 .B /dump
89 by convention, root of the dump file system
90 .PD
91 .SH SOURCE
92 .B \*9/bin/yesterday
93 .SH SEE ALSO
94 .MR diff (1) ,
95 .MR hist (1) ,
96 .MR vbackup (8)
97 .SH BUGS
98 It's hard to use this command without singing.
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