1 004aa293 2005-07-13 devnull .TH YESTERDAY 1
 2 004aa293 2005-07-13 devnull .SH NAME
 3 004aa293 2005-07-13 devnull yesterday \- print file names from the dump
 4 004aa293 2005-07-13 devnull .SH SYNOPSIS
 5 004aa293 2005-07-13 devnull .B yesterday
 6 004aa293 2005-07-13 devnull [
 7 004aa293 2005-07-13 devnull .B -cCd
 8 004aa293 2005-07-13 devnull ] [
 9 004aa293 2005-07-13 devnull .B -n
10 004aa293 2005-07-13 devnull .I daysago
11 004aa293 2005-07-13 devnull ] [
12 004aa293 2005-07-13 devnull .I \-date
13 004aa293 2005-07-13 devnull ]
14 004aa293 2005-07-13 devnull .I files ...
15 004aa293 2005-07-13 devnull .SH DESCRIPTION
16 004aa293 2005-07-13 devnull .I Yesterday
17 004aa293 2005-07-13 devnull prints the names of the
18 004aa293 2005-07-13 devnull .I files
19 004aa293 2005-07-13 devnull from the most recent dump.
20 004aa293 2005-07-13 devnull Since dumps are done early in the morning,
21 004aa293 2005-07-13 devnull yesterday's files are really in today's dump.
22 004aa293 2005-07-13 devnull For example, if today is February 11, 2003,
23 004aa293 2005-07-13 devnull .IP
24 004aa293 2005-07-13 devnull .EX
25 004aa293 2005-07-13 devnull yesterday /home/am3/rsc/.profile
26 004aa293 2005-07-13 devnull .EE
27 004aa293 2005-07-13 devnull .PP
28 004aa293 2005-07-13 devnull prints
29 004aa293 2005-07-13 devnull .IP
30 004aa293 2005-07-13 devnull .EX
31 004aa293 2005-07-13 devnull /dump/am/2003/0211/home/am3/rsc/.profile
32 004aa293 2005-07-13 devnull .EE
33 004aa293 2005-07-13 devnull .PP
34 004aa293 2005-07-13 devnull In fact, the implementation is to select the most recent dump in
35 004aa293 2005-07-13 devnull the current year, so the dump selected may not be from today.
36 004aa293 2005-07-13 devnull .PP
37 004aa293 2005-07-13 devnull By default, 
38 004aa293 2005-07-13 devnull .I yesterday
39 004aa293 2005-07-13 devnull prints the names of the dump files corresponding to the named files.
40 004aa293 2005-07-13 devnull The first set of options changes this behavior.
41 004aa293 2005-07-13 devnull .TP
42 004aa293 2005-07-13 devnull .B -c
43 004aa293 2005-07-13 devnull Copy the dump files over the named files.
44 004aa293 2005-07-13 devnull .TP
45 004aa293 2005-07-13 devnull .B -C
46 004aa293 2005-07-13 devnull Copy the dump files over the named files only when
47 004aa293 2005-07-13 devnull they differ.
48 004aa293 2005-07-13 devnull .TP
49 004aa293 2005-07-13 devnull .B -d
50 004aa293 2005-07-13 devnull Run 
51 004aa293 2005-07-13 devnull .B diff
52 004aa293 2005-07-13 devnull to compare the dump files with the named files.
53 004aa293 2005-07-13 devnull .PP
54 004aa293 2005-07-13 devnull The
55 004aa293 2005-07-13 devnull .I date
56 004aa293 2005-07-13 devnull option selects other day's dumps, with a format of
57 004aa293 2005-07-13 devnull 1, 2, 4, 6, or 8 digits of the form
58 004aa293 2005-07-13 devnull .IR d,
59 004aa293 2005-07-13 devnull .IR dd ,
60 004aa293 2005-07-13 devnull .IR mmdd ,
61 004aa293 2005-07-13 devnull .IR yymmdd ,
62 004aa293 2005-07-13 devnull or
63 004aa293 2005-07-13 devnull .IR yyyymmdd .
64 004aa293 2005-07-13 devnull .PP
65 004aa293 2005-07-13 devnull The
66 004aa293 2005-07-13 devnull .B -n
67 004aa293 2005-07-13 devnull option selects the dump
68 004aa293 2005-07-13 devnull .I daysago
69 004aa293 2005-07-13 devnull prior to the current day.
70 004aa293 2005-07-13 devnull .PP
71 004aa293 2005-07-13 devnull .I Yesterday
72 004aa293 2005-07-13 devnull does not guarantee that the string it prints represents an existing file.
73 004aa293 2005-07-13 devnull .SH EXAMPLES
74 004aa293 2005-07-13 devnull .PP
75 004aa293 2005-07-13 devnull See what's changed in the last week in your profile:
76 004aa293 2005-07-13 devnull .IP
77 004aa293 2005-07-13 devnull .EX
78 004aa293 2005-07-13 devnull yesterday -d -n 7 ~/.profile
79 004aa293 2005-07-13 devnull .EE
80 004aa293 2005-07-13 devnull .PP
81 004aa293 2005-07-13 devnull Restore your profile from yesterday:
82 004aa293 2005-07-13 devnull .IP
83 004aa293 2005-07-13 devnull .EX
84 004aa293 2005-07-13 devnull yesterday -c ~/.profile
85 004aa293 2005-07-13 devnull .EE
86 004aa293 2005-07-13 devnull .SH FILES
87 3aec33fe 2005-07-18 devnull .TF /dump
88 004aa293 2005-07-13 devnull .B /dump
89 3aec33fe 2005-07-18 devnull by convention, root of the dump file system
90 3aec33fe 2005-07-18 devnull .PD
91 004aa293 2005-07-13 devnull .SH SOURCE
92 e5e159fd 2005-07-18 devnull .B \*9/bin/yesterday
93 004aa293 2005-07-13 devnull .SH SEE ALSO
94 d32deab1 2020-08-16 rsc .MR diff (1) ,
95 d32deab1 2020-08-16 rsc .MR hist (1) ,
96 d32deab1 2020-08-16 rsc .MR vbackup (8)
97 004aa293 2005-07-13 devnull .SH BUGS
98 004aa293 2005-07-13 devnull It's hard to use this command without singing.