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Full Discussion: Moving files
Top Forums Shell Programming and Scripting Moving files Post 302278920 by cfajohnson on Wednesday 21st of January 2009 01:23:30 PM
Old 01-21-2009
Quote:
Originally Posted by venkatesht
I wrote a script which moves files on first in first out basis.

for i in `ls –ltr | grep ^- | head -10 | awk '{print $9}'`

That will break your script if any filenames contain spaces.

Code:
ls -tr | head 10 |
while IFS= read -r i

Quote:
do
mv $i Test/

That will break your script if any filenames contain spaces.

Code:
mv "$i" Test/

Quote:
done

But donno some reason, this is not working on my Linux box. May i know the reason?

Can the above script be done by using positional parameters?

for i in $*

That doesn't use the positional parameters. That uses filename expansion (wildcards), which would be good if you didn't need to sort them by moditication time.
Quote:
do
cd $1
x = `ls –ltr | grep ^- | head -10 | awk '{print $9}'`

There must be no spaces around the equals sign.

Calling four external commands for every file is incredibly inefficient, especially since you are doing exactly the same thing every time.
Quote:
mv $x $2
done

please correct me.
 

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LEARN ABOUT PHP

zgrep

ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep	options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

																	  ZGREP(1)
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