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Full Discussion: Files generated today
Top Forums Shell Programming and Scripting Files generated today Post 302586108 by methyl on Friday 30th of December 2011 06:57:49 AM
Old 12-30-2011
Quote:
ls -lrt * | egrep " `date "+%b"` * `date "+%d"`
This is a syntax error. There is an odd number of double quotes. Also the "%d" switch to "date" gives a day number with leading zeros.
Please post a sample "ls -l" listing so we can see what the date looks like in your "ls" listing for single and double digit days.


My crude method for directory listing where the date format is "Mmm dD" (day with leading space). The grep for a colon is a crude way of avoiding previous years. Processing a formatted directory listing is not perfect for many reasons but it will often do the job if you have simple boring filenames which do not contain colons or formatted dates.
Code:
#!/bin/ksh
TODAY="`date '+%b %e'`"        # Mmm dD
ls -lrt | grep "${TODAY}"|grep ":"

Ps. There is a much better method using find, but not with the "-mtime" switch". It involves creating a timestamp reference file with "touch" and using "find -newer".
 

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LEARN ABOUT PLAN9

yesterday

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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