how to delete files don t exist

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Linux Delete files older than 3 days

4 down vote accepted This is the easy enough (although note, goes by a modification time and than 3 days ago since a creation time is onl Y available on certain filesystems with special tools):find /a/b/c/1 /a/b/c/2 -type f -mtime +3

Don't write, I'm afraid I'll never write the-lamp Foundation

HiAfter 4 days of baptism of the feast, the whole people think of the secret Tatsu ... Yesterday's lazy, there is no reason for lazy, in short, is the pen to the pro1. Lamp Configuration under UbuntuBasic knowledge

CentOS5 + rsync sync 2 server files _linux

Always use rsync over SSH Since Rsync does not provide the No. Transferring data it is recommended that to use rsync over SSH. This allows a secure remote connection. Now let us-some examples of rsync. rsync Command common options --delete :

PHP Configuration Chinese explanation

PHP Tutorial Configuration Chinese Narration Let's see what you see, php.ini. [PHP] ;;;;;;;;;;;; WARNING;;;;;;;;;;;;; This is the default settings file for new PHP installations.; By default, PHP installs itself with a configuration suitable for;

PostgreSQL Archive Error

Running out of disk space in the Pg_xlog directory is a fairly common Postgres problem. This important directory holds the WAL (Write Ahead Log) files. (WAL files contain a record of all changes made to the Database-see the link for more details).

Linux Basics Common File management rollup

Document management and the common commands detailed Linux file system is a basic inverted tree structure, we have to further study the file or directory operation and management commands: Directory-related operations: CDs, PWD, mkdir,

A detailed description of the TAR compression decompression command under Linux

Source Address: Create compressed archives-X: Unzip-T: View content-r: Append files to the end of a compressed archive file-U: Update files in original compressed packageThese five are

Renaming files in Java

1.File oldf = new File (oldfilename);File NEWF =null;if (oldf!= null) {NEWF = new File (newfilename);Oldf.renameto (NEWF);} 2. I used to think that the File#renameto (file) method is the same as the MOVE/MV command below the OS, so that you can

Linux rsync Sync command (worth collecting) _linux shell

If you are a maintenance engineer, you are likely to face dozens of, hundreds of or even thousands of servers, in addition to bulk operations, environmental synchronization, data synchronization is also essential skills. When it comes to "sync,"

How to write an efficient SQL script ASP. NET

How to write an efficient SQL script II 12. View Use a view as few as possible, and its efficiency is relatively low. Operations on a view are slower than operations on a table. You can replace it with stored procedure. In particular, do not use

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