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Full Discussion: Remove all folders within another folder except the lastest 1, 2 or 3.
Top Forums Shell Programming and Scripting Remove all folders within another folder except the lastest 1, 2 or 3. Post 302490710 by damang111 on Tuesday 25th of January 2011 02:13:47 PM
Old 01-25-2011
.
Thanks for the help guys.
I will change the script so the date format is a little more standard.

When do i a ls -1tcp | grep "/$" | tail +3
I get the following error:
tail: cannot open `+3' for reading: No such file or directory

and when I change it to
ls -1tcp | grep "/$" | tail -3
the oldest 3 files folders get displayed.

this is what I need I think?
Then I will just xargs rm -rf ?

What does the grep "/$' do?

thanks.
 

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LEARN ABOUT LINUX

xzgrep

XZGREP(1)							     XZ Utils								 XZGREP(1)

NAME

       xzgrep - search compressed files for a regular expression

SYNOPSIS

       xzgrep [grep_options] [-e] pattern file...
       xzegrep ...
       xzfgrep ...
       lzgrep ...
       lzegrep ...
       lzfgrep ...

DESCRIPTION

       xzgrep  invokes	grep(1)  on  files  which may be either uncompressed or compressed with xz(1), lzma(1), gzip(1), or bzip2(1).  All options
       specified are passed directly to grep(1).

       If no file is specified, then standard input is decompressed if necessary and fed to grep(1).  When reading from  standard  input,  gzip(1)
       and bzip2(1) compressed files are not supported.

       If  xzgrep  is  invoked as xzegrep or xzfgrep then egrep(1) or fgrep(1) is used instead of grep(1).  The same applies to names lzgrep, lze-
       grep, and lzfgrep, which are provided for backward compatibility with LZMA Utils.

ENVIRONMENT

       GREP   If the GREP environment variable is set, xzgrep uses it instead of grep(1), egrep(1), or fgrep(1).

SEE ALSO

       grep(1), xz(1), gzip(1), bzip2(1), zgrep(1)

Tukaani 							    2010-09-27								 XZGREP(1)
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