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Full Discussion: problem with spaces in filename
Top Forums Shell Programming and Scripting problem with spaces in filename Post 302527774 by colsinc on Sunday 5th of June 2011 09:46:39 AM
Old 06-05-2011
Fixed :)
Hi Scrutinizer. Thanks for your reply, it really helped! My script is working now. I post the working script here as an example for anyone with a similar problem. I have implemented Scrutinizers suggestions and made some other changes as well.

Code:
#!/bin/bash
#
# A script to rescue data recursively using ddrescue.

srcDir=/damaged/hdd/movies/              #the source directory
desDir=/new/hdd/movies/                 #the destination directory
workDir=/new/hdd/movies/ddrescue        #location to store logs and working files

#preamble: I have already run rsync to copy files, but some failed part way through.

`rsync -rvn --size-only $srcDir* $desDir | sed "/speedup/d" | sed "/bytes\/sec/d" | sed "/sending\ incremental/d" | sed "/^$/d" > $workDir/work` #cut rsync's list to filenames only.

workLength=`wc -l < "$workDir/work"`     #Find number of files in list.  For use with incrementing.
bookmark=0                #Begin at first entry in list.

while [ $bookmark -lt $workLength ]
do
    bookmark=`expr $bookmark + 1`        #increment through the list
    currJob=`cat $workDir/work | sed -n ''$bookmark'p'`    #extract filename to work on
    FnScurrJob=`cat $workDir/work | sed -n ''$bookmark'p' | sed "s/\//--/g" | sed "s/\ /-/g"`    #creates a version of the file path suitable for use as a file name by replacing / with --
    echo "Start Rescue on " $currJob >> $workDir/runlog    

    from=$srcDir$currJob        
    to=$desDir$currJob
    log=$workDir/ddlog-$bookmark--$FnScurrJob.txt
    
    ddrescue "$from" "$to" "$log" | tee $workDir/ddoutput-$bookmark--$FnScurrJob.txt
    echo `cat $workDir/ddoutput-$bookmark--$FnScurrJob.txt | grep -B 2 Finished | grep errors` >> $workDir/runlog
done
exit

 

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LEARN ABOUT DEBIAN

ddrescue

DDRESCUE(1)							   User Commands						       DDRESCUE(1)

NAME

       ddrescue - data recovery tool

SYNOPSIS

       ddrescue [options] infile outfile [logfile]

DESCRIPTION

       GNU  ddrescue  -  Data  recovery  tool.	 Copies  data from one file or block device to another, trying hard to rescue data in case of read
       errors.

       You should use a logfile unless you know what you are doing.

OPTIONS

       -h, --help
	      display this help and exit

       -V, --version
	      output version information and exit

       -a, --min-read-rate=<bytes>
	      minimum read rate of good areas in bytes/s

       -A, --try-again
	      mark non-split, non-trimmed blocks as non-tried

       -b, --block-size=<bytes>
	      sector size of input device [default 512]

       -B, --binary-prefixes
	      show binary multipliers in numbers [SI]

       -c, --cluster-size=<sectors>
	      sectors to copy at a time [128]

       -C, --complete-only
	      do not read new data beyond logfile limits

       -d, --direct
	      use direct disc access for input file

       -D, --synchronous
	      use synchronous writes for output file

       -e, --max-errors=[+]<n>
	      maximum number of [new] error areas allowed

       -E, --max-error-rate=<bytes>
	      maximum allowed rate of read errors per second

       -f, --force
	      overwrite output device or partition

       -F, --fill=<types>
	      fill given type blocks with infile data (?*/-+)

       -g, --generate-logfile
	      generate approximate logfile from partial copy

       -i, --input-position=<bytes>
	      starting position in input file [0]

       -I, --verify-input-size
	      verify input file size with size in logfile

       -K, --skip-size=<bytes>
	      initial size to skip on read error [64 KiB]

       -m, --domain-logfile=<file>
	      restrict domain to finished blocks in file

       -M, --retrim
	      mark all failed blocks as non-trimmed

       -n, --no-split
	      do not try to split or retry failed blocks

       -o, --output-position=<bytes>
	      starting position in output file [ipos]

       -p, --preallocate
	      preallocate space on disc for output file

       -q, --quiet
	      suppress all messages

       -r, --max-retries=<n>
	      exit after given retries (-1=infinity) [0]

       -R, --reverse
	      reverse direction of copy operations

       -s, --max-size=<bytes>
	      maximum size of input data to be copied

       -S, --sparse
	      use sparse writes for output file

       -t, --truncate
	      truncate output file to zero size

       -T, --timeout=<interval>
	      maximum time since last successful read

       -v, --verbose
	      be verbose (a 2nd -v gives more)

       -x, --extend-outfile=<bytes>
	      extend outfile size to be at least this long

       Numbers may be followed by a multiplier: b = blocks, k = kB = 10^3 = 1000, Ki = KiB = 2^10 = 1024, M = 10^6, Mi = 2^20,	G  =  10^9,  Gi  =
       2^30, etc...  Time intervals have the format 1[.5][smhd] or 1/2[smhd].

REPORTING BUGS

       Report bugs to bug-ddrescue@gnu.org
       Ddrescue home page: http://www.gnu.org/software/ddrescue/ddrescue.html
       General help using GNU software: http://www.gnu.org/gethelp

COPYRIGHT

       Copyright (C) 2012 Antonio Diaz Diaz.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       The  full  documentation  for ddrescue is maintained as a Texinfo manual.  If the info and ddrescue programs are properly installed at your
       site, the command

	      info ddrescue

       should give you access to the complete manual.

ddrescue 1.16							     June 2012							       DDRESCUE(1)
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