yesterday.1 (1700B)
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.