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Top Forums Shell Programming and Scripting remove some files on a condition.. Post 27088 by RTM on Tuesday 27th of August 2002 04:59:57 PM
Old 08-27-2002
Realize scripting is just putting into a file what you would do manually (but adding the 'thinking' part - the logic to delete only those files - is the hard part).

You could take your command and put it in a script to collect the file names, and then loop through them and delete. You would have to pull out the last piece of the ls -lt (after confirming it to be in the range you want to delete) and delete it.


You also have to watch out that the file you are going to delete isn't a directory, that you set yourself into the correct directory...


Your first step, finding your files is coverend in your command:
ls -lt | grep "Aug 26" | grep 11:14

Put that into an awk statement to print the last portion of the string (the filename), check that it is a text file (or whatever) and not a directory, special, link, ... file, then delete it.
 

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rc.config(4)						     Kernel Interfaces Manual						      rc.config(4)

NAME
rc.config, rc.config.d - files containing system configuration information SYNOPSIS
DESCRIPTION
The system configuration used at startup is contained in files within the directory The file sources all of the files within and and exports their contents to the environment. /etc/rc.config The file is a script that sources all of the scripts, and also sources To read the configuration definitions, only this file need be sourced. This file is sourced by whenever it is run, such as when the command is run to transition between run states. Each file that exists in is sourced, without regard to which startup scripts are to be executed. /etc/rc.config.d The configuration information is structured as a directory of files, rather than as a single file containing the same information. This allows developers to create and manage their own configuration files here, without the complications of shared ownership and access of a common file. /etc/rc.config.d/* Files This is where files containing configuration variable assignments are located. Configuration scripts must be written to be read by the POSIX shell, and not the Bourne shell, or In some cases, these files must also be read and possibly modified by control scripts or the sam program. See sd(4) and sam(1M). For this reason, each variable definition must appear on a separate line, with the syntax: No trailing comments may appear on a variable definition line. Comment statements must be on separate lines, with the comment character in column one. This example shows the required syntax for configuration files: Configuration variables may be declared as array parameters when describing multiple instances of the variable configuration. For example, a system may contain two network interfaces, each having a unique IP address and subnet mask (see ifconfig(1M)). An example of such a dec- laration is as follows: Note that there must be no requirements on the order of the files sourced. This means configuration files must not refer to variables defined in other configuration files, since there is no guarantee that the variable being referenced is currently defined. There is no protection against environment variable namespace collision in these configuration files. Programmers must take care to avoid such prob- lems. /etc/TIMEZONE The file contains the definition of the environment variable. This file is required by POSIX. It is sourced by at the same time the files are sourced. SEE ALSO
rc(1M). rc.config(4)
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