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Top Forums Shell Programming and Scripting bash script for testing existence of files/folders and creating if neither exist Post 302494180 by me2 on Sunday 6th of February 2011 12:38:32 AM
Old 02-06-2011
Question [Solved] bash script for testing existence of files/folders and creating if neither exist

Hi,

I am new to shell-scripting, and doing a lot of reading. I am having some trouble getting started with a simple testing of scripting. I have been experimenting with if, loops, for, test, etc., but still unsure. I seem to have the hang of it when it comes to creating a single file or directory; but not when it comes to multiple files, directories, and sub-directories. Would like some assistance on evaluating whether files and/or directories exist, if so, then echo "File or folder already exist", if not, then create the files (touch) and/or directories (mkdir). I would like the script for the following directory-tree:
Code:
/boo
/boo/boo_file
/boo/dir1
/boo/dir1/file1
/boo/dir2
/boo/dir2/file1
/doo
/doo/dir1
/doo/dir1/file1
/doo/dir2
/doo/dir2/file1
/doo/doo_file
/foo
/foo/dir1
/foo/dir1/file1
/foo/dir2
/foo/dir2/file1
/foo/foo_file


|-- boo
|   |-- boo_file
|   |-- dir1
|   |   `-- file1
|   `-- dir2
|       `-- file1
|-- doo
|   |-- dir1
|   |   `-- file1
|   |-- dir2
|   |   `-- file1
|   `-- doo_file
|-- foo
|   |-- dir1
|   |   `-- file1
|   |-- dir2
|   |   `-- file1
|   `-- foo_file


Last edited by Scott; 02-06-2011 at 05:59 PM.. Reason: Code tags
 

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dircmp(1)						      General Commands Manual							 dircmp(1)

NAME
dircmp - directory comparison SYNOPSIS
n] dir1 dir2 DESCRIPTION
examines dir1 and dir2 and generates various tabulated information about the contents of the directories. Sorted listings of files that are unique to each directory are generated for all the options. If no option is entered, a sorted list is output indicating whether the filenames common to both directories have the same contents. Compare the contents of files with the same name in both directories and output a list telling what must be changed in the two files to bring them into agreement. The list format is described in diff(1). Suppress messages about identical files. Change the width of the output line to n characters. The default width is 72. EXTERNAL INFLUENCES
Environment Variables LC_COLLATE determines the order in which the output is sorted. If is not specified in the environment or is set to the empty string, the value of is used as a default. If is not specified or is set to the empty string, a default of ``C'' (see lang(5)) is used instead of If any internationalization variable contains an invalid setting, behaves as if all internationalization variables are set to ``C'' (see environ(5)). International Code Set Support Single- and multi-byte character code sets are supported. EXAMPLES
Compare the two directories and and produce a list of changes that would make the directories identical: WARNINGS
This command is likely to be withdrawn from X/Open standards. Applications using this command might not be portable to other vendors' sys- tems. As an alternative is recommended. SEE ALSO
cmp(1), diff(1). STANDARDS CONFORMANCE
dircmp(1)
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