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Full Discussion: Help with rotating files
Top Forums Shell Programming and Scripting Help with rotating files Post 303040903 by Cacializ on Friday 8th of November 2019 01:28:30 PM
Old 11-08-2019
Quote:
Originally Posted by RudiC
Your approach might work; its ramifications aren't fully clear to me. rming $7 does not necessarily target the correct, intended file; with 8 files it will delete yesterday's file as they are set in an increasing order.
Yes, if there were 8 files it would leave the oldest file intact. That's why the script makes the check before backing the ACLs up. In practice the script will use a directory where nothing else will be stored, and the first time the script is run there will be no backups. That's why I know beforehand that there won't be more than 7 files.

Quote:
Originally Posted by RudiC
Why not use find with one of its -newer tests?
-newer and -cnewer compare the modification time, -anewer compares access time. -newerXY can compare the birth time, but not all systems support it. The Linux kernel introduced crtime in version 4.11, and some distros I use have an older release. Namely Debian Jessie.

What's the advantage of using find and the -newer operands rather than having a file naming convention to tell their creation time?
 

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cscope-indexer(1)					      General Commands Manual						 cscope-indexer(1)

NAME
cscope-indexer - Script to index files for cscope SYNOPSIS
cscope-indexer [-v] [-f database_file] [-i list_file] [-l] [-r] DESCRIPTION
This script generates a list of files to index (cscope.out), which is then (optionally) used to generate a cscope database. You can use this script to just build a list of files, or it can be used to build a list and database. This script is not used to just build a data- base (skipping the list of files step), as this can be simply done by just calling "cscope -b". Normally, cscope will do its own indexing, but this script can be used to force indexing. This is useful if you need to recurse into sub- directories, or have many files to index (you can run this script from a cron job, during the night). It is especially useful for large projects, which can contstantly have source files added and deleted; by using this script, the changing sources files are automatically handled. Currently, any paths containing "/CVS/" or "/RCS/" are stripped out (ignored). OPTIONS
-f database_file Specifies the cscope database file (default: cscope.out). -i list_file Specifies the name of the file into which the list of files to index is placed (default: cscope.files). -l Suppress the generation/updating of the cscope database file. Only a list of files is generated. -r Recurse into subdirectories to locate files to index. Without this option, only the current directory is searched. -v Be verbose. Output simple progress messages. SEE ALSO
cscope(1) AUTHOR
This manual page was written for the Debian GNU/Linux system by Robert Lemmen <robertle@semistable.com> (but may be used by others, of course) Script to index files for cscope 30. December 2002 cscope-indexer(1)
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