01-24-2008
directory tree
Hi all,
The following is a script for displaying directory tree.
D=${1:-`pwd`}
(cd $D; pwd)
find $D -type d -print | sort |
sed -e "s,^$D,,"\
-e "/^$/d"\
-e "s,[^/]*/\([^/]*\)$,\:-----\1,"\
-e "s,[^/]*/,: ,g" | more
exit 0
I am trying to understand the above script.But i am not able to understand the following 2 lines
-e "s,[^/]*/\([^/]*\)$,\:-----\1,"\
-e "s,[^/]*/,: ,g" | more
can any body pls tell me how the above two lines works.
cheers
RRK
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PWD(1) User Commands PWD(1)
NAME
pwd - print name of current/working directory
SYNOPSIS
pwd [OPTION]
DESCRIPTION
Print the full filename of the current working directory.
--help display this help and exit
--version
output version information and exit
NOTE: your shell may have its own version of pwd, which usually supersedes the version described here. Please refer to your shell's docu-
mentation for details about the options it supports.
AUTHOR
Written by Jim Meyering.
REPORTING BUGS
Report pwd bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
COPYRIGHT
Copyright (C) 2009 Free Software Foundation, Inc. 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
getcwd(3)
The full documentation for pwd is maintained as a Texinfo manual. If the info and pwd programs are properly installed at your site, the
command
info coreutils 'pwd invocation'
should give you access to the complete manual.
GNU coreutils 7.1 July 2010 PWD(1)