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YESTERDAY(1)                General Commands Manual               YESTERDAY(1)



NAME
       yesterday - print file names from the dump

SYNOPSIS
       yesterday [ -c ] [ -date ] files ...

DESCRIPTION
       Yesterday  prints  the  names  of  the files from the most recent dump.
       Since dumps are done early in the morning, yesterday's files are really
       in today's dump.  For example, if today is March 17, 1992,

              yesterday /adm/users

       prints

              /n/dump/1992/0317/adm/users

       In  fact,  the  implementation is to select the most recent dump in the
       current year, so the dump selected may not be from today.

       With option -c, yesterday copies the dump file to  the  current  direcā€
       tory.

       The date option selects other day's dumps, with a format of 2, 4, 6, or
       8 digits of the form dd, mmdd, yymmdd, or yyyymmdd.

       Yesterday does not guarantee that the string it  prints  represents  an
       existing file.

EXAMPLES
       Back up to yesterday's MIPS binary of vc:

              cd /mips/bin
              yesterday -c vc

       Temporarily  back  up  to  March 1's MIPS C library to see if a program
       runs correctly when loaded with it:

              bind `{yesterday -0301 /mips/lib/libc.a} /mips/lib/libc.a
              rm v.out
              mk
              v.out

FILES
       /n/dump

SOURCE
       /rc/bin/yesterday

SEE ALSO
       fs(4)

BUGS
       It's hard to use this command without singing.



                                                                  YESTERDAY(1)