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Top Forums Shell Programming and Scripting how to get what date was 28 days ago of the current system date IN UNIX Post 302405238 by murugaperumal on Thursday 18th of March 2010 07:52:09 AM
Old 03-18-2010
Quote:
Originally Posted by dennis.jacob
This will just delete all files before 28 days..ie, it will delete all files before 1st of March...not jsut the files of March1st, as per the example mentioned.

Hope its clear for you.

The correct one should be

Code:
find . -mtime 28 -exec rm {} \;

Also, just go with
Code:
find . -mtime 28 -exec ls -l \;

before executing rm , just to make sure that the files listed are what you need to delete.
DON'T YOU KNOW THAT IS THE ACTUAL REQUIREMENT.
READ THE FOLLOWING LINE OF THE POSTER's POST.
Ex : - If today is 28th Mar 2010 then I have to delete the files which arrived on 1st Mar 2010,

FOR THE ABOVE QUESTION ONLY I REPLIED.

I KNOW HOW TO GET THE PREVIOUS 28TH DAY.
DONT YOU KNOW THAT THE COMMAND WHICH I GAVE WILL GIVE THE 28TH DAY AGO? SmilieSmilie
 

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FIND(1) 						      General Commands Manual							   FIND(1)

NAME
find - find files meeting a given condition SYNOPSIS
find directory expression EXAMPLES
find / -name a.out -print # Print all a.out paths find /usr/ast ! -newer f -ok rm {} ; # Ask before removing find /usr -size +20 -exec mv {} /big ; # move files > 20 blks find / -name a.out -o -name '*.o' -exec rm {}; # 2 conds DESCRIPTION
Find descends the file tree starting at the given directory checking each file in that directory and its subdirectories against a predi- cate. If the predicate is true, an action is taken. The predicates may be connected by -a (Boolean and), -o (Boolean or) and ! (Boolean negation). Each predicate is true under the conditions specified below. The integer n may also be +n to mean any value greater than n, -n to mean any value less than n, or just n for exactly n. -name s true if current filename is s (include shell wild cards) -size n true if file size is n blocks -inum n true if the current file's i-node number is n -mtime ntrue if modification time relative to today (in days) is n -links ntrue if the number of links to the file is n -newer ftrue if the file is newer than f -perm n true if the file's permission bits = n (n is in octal) -user u true if the uid = u (a numerical value, not a login name) -group gtrue if the gid = g (a numerical value, not a group name) -type x where x is bcdfug (block, char, dir, regular file, setuid, setgid) -xdev do not cross devices to search mounted file systems Following the expression can be one of the following, telling what to do when a file is found: -print print the file name on standard output -exec execute a MINIX command, {} stands for the file name -ok prompts before executing the command SEE ALSO
test(1), xargs(1). FIND(1)
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