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A chronological documentation test project, nothing serious, really!
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02 Feb 2012 Recursively symlinking files

This is a short script I use to symlink all my JPG image files on my file server to a flat folder accessible to my DLNA enabled devices.
My files are organized in year folders and under each year there are month folders:

-2011
--2011-01
--2011-02
--2011-03
...
-2012
--2012-01

I avoid duplicate symlinks by using file names like 20110102-1234_DSC…JPG or YYYYMMDD-HHMM_OriginalFileName.JPG

The script looks like this

#!/bin/bash 

SRC="/media/Images"
DEST="/media/SymlinkTarget"

# Create a symlink under $DEST for each JPG file under $SRC
find $SRC -type f | grep -i jpg | while read PATHNAME; do
        NEW="$DEST";
        echo "$NEW";
        ln -s "$PATHNAME" "$NEW";
done

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13 Oct 2008 Rename files in a folder to lower-case using perl

This is a simple oneliner to rename files to lower-case using perl

# perl -e 'rename($_, lc) || warn "$_: $!\n" for @ARGV' *

You can also do this recusively using find and perl

# find . -type f -exec perl -e 'rename($_, lc) || warn "$_: $!\n" for @ARGV' {} \;

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01 Nov 2007 Grep recursively through subdirectories

grep recursively through subdirectories for files that match a specific pattern:


grep -l -r –include=*.doc regex *

The equivalent command unsing find:


find . -name ‘*.doc’ -exec grep -l regex \{\} \;

The option after grep is the lowercase letter L, not the number 1).
Remove the -l to see the actual matches instead of the file names.

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09 Jun 2007 Find files not readable by all (useful for web site)

find -type f ! -perm -444

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18 May 2007 Fikse rett dato på bildefil ut i fra EXIF info

Av og til kopierer man bilder og da kan det hende bildefila får feil dato og tid for når bildet ble tatt. Kjør dette scriptet er for å rette dette igjen
(more…)

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