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Full Discussion: Script to keep only 2 or 1 file
Top Forums Shell Programming and Scripting Script to keep only 2 or 1 file Post 302069318 by hezry79 on Friday 24th of March 2006 07:22:03 AM
Old 03-24-2006
Script to keep only 2 or 1 file
I have script that running for importing csv to mysql. It started by unzip file.zip. After complete the process from unzip until importing. I will have to rm the import.csv and backup the file.zip ( combined with date ) to /zip_backup/file.zip.date.

example:
/backup/
file.zip.240306
file.zip.230306
.
.

Because of the file.zip is big...so i plan to add more function in my script either one of below:

1- the next time script running, it will remove the previous backup or
2- only keep 2 file by latest date. [example: assume today is 240306. the existing backup is file.zip.230306 and file.zip.220306...so when i want to run the script for today, at the end script will remove the file.zip.220306 and only keep file.zip.240306 and file.zip.230306

####Part of my script##########

DATE="`date '+%d%m%y'`"
filename="file.zip"

## after successfull, current file.zip will be transfer to zip_backup/
mv -f "[command to import]" "/usr/local/apache/htdocs/website/zip_backup/$filename.$DATE"

###########################

As part of my code above, the script transfer to backup by file.zip.date. but the problem is my script doesn't have function to do either no1. or no2. as above mention. Please guide me.

Thank you
 

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LEARN ABOUT LINUX

zipgrep

ZIPGREP(1)						      General Commands Manual							ZIPGREP(1)

NAME

       zipgrep - search files in a ZIP archive for lines matching a pattern

SYNOPSIS

       zipgrep [egrep_options] pattern file[.zip] [file(s) ...]  [-x xfile(s) ...]

DESCRIPTION

       zipgrep	will  search  files  within  a ZIP archive for lines matching the given string or pattern.  zipgrep is a shell script and requires
       egrep(1) and unzip(1) to function.  Its output is identical to that of egrep(1).

ARGUMENTS

       pattern
	      The pattern to be located within a ZIP archive.  Any string or regular expression accepted by egrep(1) may be used.  file[.zip] Path
	      of  the  ZIP archive.  (Wildcard expressions for the ZIP archive name are not supported.)  If the literal filename is not found, the
	      suffix .zip is appended.	Note that self-extracting ZIP files are supported, as with any other ZIP archive; just	specify  the  .exe
	      suffix (if any) explicitly.

       [file(s)]
	      An  optional list of archive members to be processed, separated by spaces.  If no member files are specified, all members of the ZIP
	      archive are searched.  Regular expressions (wildcards) may be used to match multiple members:

	      *      matches a sequence of 0 or more characters

	      ?      matches exactly 1 character

	      [...]  matches any single character found inside the brackets; ranges are specified by a beginning character, a hyphen, and an  end-
		     ing character.  If an exclamation point or a caret (`!' or `^') follows the left bracket, then the range of characters within
		     the brackets is complemented (that is, anything except the characters inside the brackets is considered a match).

	      (Be sure to quote any character that might otherwise be interpreted or modified by the operating system.)

       [-x xfile(s)]
	      An optional list of archive members to be excluded from processing.  Since wildcard characters  match  directory	separators  (`/'),
	      this  option  may  be used to exclude any files that are in subdirectories.  For example, ``zipgrep grumpy foo *.[ch] -x */*'' would
	      search for the string ``grumpy'' in all C source files in the main directory of the ``foo'' archive, but none in any subdirectories.
	      Without the -x option, all C source files in all directories within the zipfile would be searched.

OPTIONS

       All options prior to the ZIP archive filename are passed to egrep(1).

SEE ALSO

       egrep(1), unzip(1), zip(1), funzip(1), zipcloak(1), zipinfo(1), zipnote(1), zipsplit(1)

URL

       The Info-ZIP home page is currently at
       http://www.info-zip.org/pub/infozip/
       or
       ftp://ftp.info-zip.org/pub/infozip/ .

AUTHORS

       zipgrep was written by Jean-loup Gailly.

Info-ZIP							   20 April 2009							ZIPGREP(1)
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