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Top Forums Shell Programming and Scripting check if multiple directories exist else create missing directories Post 302345280 by laumars on Tuesday 18th of August 2009 08:22:05 PM
Old 08-18-2009
Quote:
Originally Posted by ramky79
Thanks for the reply.
I'm confused with your approach, can you explain it at your convenience.

say my schemaExtractDir="/var/tmp"
I'm checking for multiple directories under it
"$schemaExtractDir/SchemaExtract"
"$schemaExtractDir/SQL"
"$schemaExtractDir/Count"
"$schemaExtractDir/SchExtArchive"

if [ -d "$schemaExtractDir/SchemaExtract" ]; then
print "SchemaExtract directory exists"
else
mkdir -p "$schemaExtractDir/SchemaExtract" 2>/dev/null
chmod 755 "$schemaExtractDir/SchemaExtract"
fi

If any of these directories are missing; then I need to create the missing directory and print a message to stdout,"creating missing directory "/var/tmp/Count".

Can I check for multiple directories within the red part , if so how do i do it
basically to check multiple directories, then you have to put your script inside a loop (so it runs the script several times - each time running it against a different directory)

The loop needs two parts to it:
1/ the loop itself (using for command)
2/ the directory name selector (using case to select which directory name to pass to your script per iteration of the loop)

I've probably still explained this very badly.Smilie
 

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createhomedir(1)					    BSD General Commands Manual 					  createhomedir(1)

NAME
createhomedir -- create and populate home directories on the local computer. SYNOPSIS
createhomedir [-scbalh] [-n directoryDomainName] [-u username] DESCRIPTION
createhomedir provides several options for creating and populating home directories. OPTIONS
-s creates home directories for server home paths only (default). -c creates home directories for local home paths only. -b creates home directories for both server and local home paths. -a creates home directories for users defined in all directory domains of the server's search path. -l creates home directories for users defined in the local directory domain. -L causes the created home directory to be localized. -n directoryDomainName creates home directories for users defined in a specific directory domain in the server's search path. -u username creates a home directory for a specific user defined in the domain(s) identified in the -a, -l, or -n parameter. If you omit the -a, -l, and -n parameters when you use the -u parameter, -a is assumed. -i reads username list from standard input and creates specified home directories. Each username should be on its own line. -h usage help. FILES
/usr/sbin/createhomedir location of tool CAVEATS
When using the -a option, search limits of various directory servers (such as Open Directory or Active Directory) can prevent all possible home directories from being created. In this case, you may need to specify the usernames explicitly. Mac OS X May 31, 2019 Mac OS X
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