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Full Discussion: move old files
Top Forums Shell Programming and Scripting move old files Post 302224479 by broli on Wednesday 13th of August 2008 09:03:30 AM
Old 08-13-2008
Quote:
Originally Posted by tjay83
So
During the execution of the script, I have to pass blacklist as an argument at the command prompt and find command willnot search the directory in the blacklist. Right?
no. its a variable, with the path to the real blacklist file. created by you.
one file per line. full path.
Quote:
Originally Posted by tjay83
and here is my questions about your script:

$blacklist=/path/to/file --so why do we use $blacklist and not only blacklist?
as i said. is a variable i create. so next time i use it, i have to tell bash i want the variable and not the literal text.
Quote:
Originally Posted by tjay83
if [ $line != $file ] -- why not if [ $line != $blacklist ]
$file contains one line, that has been erad from the file. as i explain below
Quote:
Originally Posted by tjay83
done < $blacklist #black list -- and what is the use of < in here
means that im redirecting the file (wich full path is holded in the variable $blacklist) to the while.
i this case, the "read" command will read one line at a time. and execute the while loop, until it reaschs EOF

this documents is perfect for people starting with bash scripting
Advanced Bash-Scripting Guide


and pls dont sent me pms with questions. specially if you posted the same in here
Last edited by broli; 08-13-2008 at 10:10 AM..
 

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LEARN ABOUT LINUX

shtool-move

SHTOOL-MOVE.TMP(1)					      GNU Portable Shell Tool						SHTOOL-MOVE.TMP(1)

NAME

       shtool-move - GNU shtool enhanced mv(1) replacement

SYNOPSIS

       shtool move [-v|--verbose] [-t|--trace] [-e|--expand] [-p|--preserve] src-file dst-file

DESCRIPTION

       This is a mv(1) style command enhanced with the ability to rename multiple files in a single operation and the ability to detect and not
       touch existing equal destinations files, thus preserving timestamps.

OPTIONS

       The following command line options are available.

       -v, --verbose
	   Display some processing information.

       -t, --trace
	   Enable the output of the essential shell commands which are executed.

       -e, --expand
	   Expand asterisk in src to be used as ""%"n" (where n is 1,2,...) in dst-file. This is useful for renaming multiple files at once.

       -p, --preserve
	   Detect src-file and dst-file having equal content and not touch existing destination files, thus perserving timestamps. This is useful
	   for applications that monitor timestamps, i.e. suppress make(1L) repeating actions for unchanged files.

EXAMPLE

	#   shell script
	shtool move -v -e '*.txt' %1.asc

	#   Makefile
	scanner.c: scanner.l
	    lex scanner.l
	    shtool move -t -p lex.yy.c scanner.c

HISTORY

       The GNU shtool move command was originally written by Ralf S.  Engelschall <rse@engelschall.com> in 1999 for GNU shtool.

SEE ALSO

       shtool(1), mv(1), make(1).

18-Jul-2008							   shtool 2.0.8 						SHTOOL-MOVE.TMP(1)
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