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Full Discussion: problem with echo inserting single quotes
Top Forums Shell Programming and Scripting problem with echo inserting single quotes Post 302451587 by jelloir on Tuesday 7th of September 2010 09:47:36 AM
Old 09-07-2010
problem with echo inserting single quotes
Consider the following script:

Code:
#!/bin/bash

exclude='Archive PST,SystemState'

IFS=$","
rsyncExclusions=$(for exclude in ${exclude}; do echo -n -e --exclude=\"${exclude}\"\  ; done)
unset IFS

echo rsync $rsyncExclusions test
rsync -avh --delete --delete-excluded "$rsyncExclusions" /tmp/test1 /tmp/test2

When the script runs it fails to exclude the exclusions from $exclude. the output from bash shows that when it echoes the exclusions into the rsync line they appear to have single quotes around them which ruins rsync's interpretation of the excludes.

The echo of the variable appears fine.

Code:
$ bash -x /tmp/exclude 
+ exclude='Archive PST,SystemState'
+ IFS=,
++ for exclude in '${exclude}'
++ echo -n -e '--exclude="Archive PST" '
++ for exclude in '${exclude}'
++ echo -n -e '--exclude="SystemState" '
+ rsyncExclusions='--exclude="Archive PST" --exclude="SystemState" '
+ unset IFS
+ echo rsync '--exclude="Archive' 'PST"' '--exclude="SystemState"' test
rsync --exclude="Archive PST" --exclude="SystemState" test
+ rsync -avh --delete --delete-excluded '--exclude="Archive PST" --exclude="SystemState" ' /tmp/test1 /tmp/test2
sending incremental file list
test1/
test1/Archive PST/
test1/SystemState/

sent 98 bytes  received 24 bytes  244.00 bytes/sec
total size is 0  speedup is 0.00

How can I get the output of the exclusions to appear exactly how echoing the variable looks?
 

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ddir

DDIR(1) 						      cvs status - formatter							   DDIR(1)

NAME

       ddir - display hierarchical directory tree

SYNOPSIS

	 ddir [options] DIR

DESCRIPTION

       Display an indented directory tree using ASCII graphical characters to represent the hierarchical structure. The directories to include or
       exclude can be specified with command line options. Ddir is a Perl implementation of the tree(1) program.

OPTIONS

       -d, --dir
	   Display only directories.

       -h, --help
	   Print text help

       --help-exclude
	   Print default exclude path value when --exclude-vcs is used.

       --help-html
	   Print help in HTML format.

       --help-man
	   Print help in manual page man(1) format.

       -i, --include REGEXP
	   Include files mathing regexp. The match is done against whole path. The option can be used multiple times.

	   If this option is not supplied, every file is automatically included.  The matches can be further filtered by using options --exclude.

       -v, --verbose LEVEL
	   Print informational messages. Increase numeric LEVEL for more verbosity.

       -V, --version
	   Print contact and version information.

       -x, --exclude REGEXP
	   Ignore files mathing regexp. The match is done against whole path. The option can be used multiple times.

	   This option is applied after possible --include matches.

       -C, --exclude-vcs
	   Exclude version control directories. See --help-exclude.

EXAMPLES

       Show directory tree by excluding version control directories. Display only directories:

	   ddir --x-vcs --dir .

	   .
	   +--doc/
	   |  +--manual/
	   +--bin/

TROUBLESHOOTING

       None.

EXAMPLES

       None.

ENVIRONMENT

       None.

FILES

       None.

SEE ALSO

       tree(1)

COREQUISITES

       Uses standard Perl modules.

AVAILABILITY

       Homepage is at http://freshmeat.net/projects/ddir

AUTHORS

       Copyright (C) 1995-2010 Jari Aalto.  Copyright (C) 1994 Brian Blackmore.

LICENSE

       This program is free software; you can redistribute and/or modify program under the terms of GNU General Public license either version 2 of
       the License, or (at your option) any later version.

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