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Annotation of lucent/sys/man/1/f002477, revision 1.1.1.1

1.1       root        1: .TH YESTERDAY 1
                      2: .SH NAME
                      3: yesterday \- print file names from the dump
                      4: .SH SYNOPSIS
                      5: .B yesterday
                      6: [
                      7: .B -c
                      8: ] [
                      9: .I \-date
                     10: ]
                     11: .I files ...
                     12: .SH DESCRIPTION
                     13: .I Yesterday
                     14: prints the names of the
                     15: .I files
                     16: from the most recent dump.
                     17: Since dumps are done early in the morning,
                     18: yesterday's files are really in today's dump.
                     19: For example, if today is March 17, 1992,
                     20: .IP
                     21: .EX
                     22: yesterday /adm/users
                     23: .EE
                     24: .PP
                     25: prints
                     26: .IP
                     27: .EX
                     28: /n/dump/1992/0317/adm/users
                     29: .EE
                     30: .PP
                     31: In fact, the implementation is to select the most recent dump in
                     32: the current year, so the dump selected may not be from today.
                     33: .PP
                     34: With option
                     35: .BR -c ,
                     36: .I yesterday
                     37: copies the dump file to the current directory.
                     38: .PP
                     39: The
                     40: .I date
                     41: option selects other day's dumps, with a format of
                     42: 2, 4, 6, or 8 digits of the form
                     43: .IR dd ,
                     44: .IR mmdd ,
                     45: .IR yymmdd ,
                     46: or
                     47: .IR yyyymmdd .
                     48: .PP
                     49: .I Yesterday
                     50: does not guarantee that the string it prints represents an existing file.
                     51: .SH EXAMPLES
                     52: .PP
                     53: Back up to yesterday's MIPS binary of
                     54: .BR vc :
                     55: .IP
                     56: .EX
                     57: cd /mips/bin
                     58: yesterday -c vc
                     59: .EE
                     60: .PP
                     61: Temporarily back up to March 1's MIPS C library to see if a program
                     62: runs correctly when loaded with it:
                     63: .IP
                     64: .EX
                     65: bind `{yesterday -0301 /mips/lib/libc.a} /mips/lib/libc.a
                     66: rm v.out
                     67: mk
                     68: v.out
                     69: .EE
                     70: .SH FILES
                     71: .B /n/dump
                     72: .SH SOURCE
                     73: .B /rc/bin/yesterday
                     74: .SH SEE ALSO
                     75: .IR fs (4)
                     76: .SH BUGS
                     77: It's hard to use this command without singing.

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