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Full Discussion: Find Oldest file in a directory tree
Top Forums Shell Programming and Scripting Find Oldest file in a directory tree Post 302137142 by pozar on Saturday 22nd of September 2007 07:53:06 PM
Old 09-22-2007
More on deleting old files in subdirectories
Here is a perl script that I wrote for some commercial radio stations that want to delete the oldest archive file out of subdirectories from a root directory...

Code:
#!/usr/bin/perl

# This will sort all the files in various subdirectories by creation date.
# find . -type f -printf "%T@ %p \n" | sort -n -k 1,1 | awk '{print $2}'

$ls = "/usr/bin/find";
$df = "/bin/df -k";
$grep = "/bin/grep";
$lookfor = "*.mp3";
$dir = "/usr/local/public/archive/";
$percent = 95;

$fullfile = $dir . $lookfor;

open(LS_T, "$ls $dir -type f -printf '%T@ %p \n' | /usr/bin/sort -n -k 1,1 | /usr/bin/awk '{print \$2}'|") or die "Can't do $ls";
$i=0;
while(<LS_T>){
        chop;
        $filename = $_;
        $result=`$df $dir | $grep -v Filesystem`;
        chop $result;
        $_ = $result;
        tr/ / /s;
        ($fs,$kbytes,$used,$avail,$percentused,$mountedon) = split / /;
        chop $percentused;
        if ($percentused >= $percent){
                print "deleting \'$filename\'\n";
                `rm "$filename"`;
                $i++;
        } else {
                exit;
        }
}

 

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LEARN ABOUT DEBIAN

lint

lint(1B)                                             SunOS/BSD Compatibility Package Commands                                             lint(1B)

NAME

       lint - C program verifier

SYNOPSIS

       /usr/ucb/lint [options]

DESCRIPTION

       /usr/ucb/lint  is  the  interface  to  the  BSD  Compatibility  Package  C  program  verifier.   It  is  a  script  that looks for the link
       /usr/ccs/bin/ucblint to the C program verifier. /usr/ccs/bin/ucblint is available only with the SPROcc package, whose default  location  is
       /opt/SUNWspro.  /usr/ucb/lint  is  identical to /usr/ccs/bin/ucblint, except that BSD headers are used and BSD  libraries are linked before
       base libraries.  The /opt/SUNWspro/man/man1/lint.1 man page is available only with the SPROcc package.

OPTIONS

       /usr/ucb/lint accepts the same options as /usr/ccs/bin/ucblint, with the following exceptions:

       -Idir           Search dir for included files whose names do not begin with a slash (/) prior  to  searching  the  usual  directories.  The
                       directories for multiple -I options are searched in the order specified. The preprocessor first searches for #include files
                       in the directory containing sourcefile, and then in directories named with -I options (if any), then  /usr/ucbinclude,  and
                       finally, in /usr/include.

       -Ldir           Add  dir  to  the  list  of  directories  searched  for  libraries  by  /usr/ccs/bin/ucblint.  This  option  is  passed  to
                       /usr/ccs/bin/ld. Directories specified with this option are searched before /usr/ucblib and /usr/lib.

       -Y P, dir       Change the default directory used for finding libraries.

EXIT STATUS

       The following exit values are returned:

       0               Successful completion.

       >0              An error occurred.

FILES

       /usr/lint/bin/ld        link editor

       /usr/lib/libc           C library

       /usr/ucbinclude         BSD Compatibility directory for header files

       /usr/ucblib             BSD Compatibility directory for libraries

       /usr/ucblib/libucb      BSD Compatibility C library

       /usr/lib/libsocket      library containing socket routines

       /usr/lib/libnsl         library containing network functions

       /usr/lib/libelf         library containing routines to process ELF object files

       /usr/lib/libaio         library containing asynchronous I/O routines

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWscpu                     |
       +-----------------------------+-----------------------------+

SEE ALSO

       ld(1), a.out(4), attributes(5)

SunOS 5.10                                                          1 Feb 1995                                                            lint(1B)
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