The following shell script finds duplicate (2 or more identical) files and outputs a new shell script containing commented-out rm statements for deleting them (copy-paste from here):
::: updated on 02 May 20121, seems like wordpress did not like it so well so reformatting the code :::::::
#!/bin/bash -
#===============================================================================
#
# FILE: a.sh
#
# USAGE: ./a.sh
#
# DESCRIPTION:
#
# OPTIONS: ---
# REQUIREMENTS: ---
# BUGS: ---
# NOTES: ---
# AUTHOR: Amit Agarwal (aka), amit.agarwal@roamware.com
# COMPANY: blog.amit-agarwal.co.in
# CREATED: 02/05/12 06:52:08 IST
# Last modified: Wed May 02, 2012 07:03AM
# REVISION: ---
#===============================================================================
OUTF=rem-duplicates.sh;
echo "#!/bin/sh" >$OUTF;
find "$@" -type f -exec md5sum {} \; 2>/dev/null | sort --key=1,32 | uniq -w 32 -d |cut -b 1-32 --complement |sed 's/^/rm -f/' >>$OUTF
Pretty good one line, I must say 🙂
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a: line 2: syntax error near unexpected token `|’
a: line 2: `OUTF=rem-duplicates.sh; echo “#! /bin/sh” > $OUTF; find “$@” -type f -exec md5sum {} ; |sort –key=1,32 |uniq -w 32 -d’
Looks like wordpress messed up the script, here it is again :
OUTF=rem-duplicates.sh;
echo “#!/bin/sh” >$OUTF;
find “$@” -type f -exec md5sum {} ; 2>/dev/null | sort –key=1,32 | uniq -w 32 -d |cut -b 1-32 –complement |sed ‘s/^/rm -f/’ >>$OUTF
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