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Plan 9 - man page for yesterday (plan9 section 1)

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 directory.

       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)


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