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Full Discussion: Combining multiple variables into new variable
Top Forums Shell Programming and Scripting Combining multiple variables into new variable Post 302523837 by dring on Friday 20th of May 2011 02:50:04 AM
Old 05-20-2011
Combining multiple variables into new variable
Hello, I am a new joiner to the forum, and have what i hope is a simple question, however I can't seem to find the answer so maybe it is not available within bash scripting.

I intend to use the below script to archive files from multiple directories at once by using a loop, and a variable (n) which increases by one each loop.

The problem is that when i connect two variables, if i define a variable with that output, it is not called, only the text is output.
Hopefully you can see what im trying to do and it will explain itself;


Code:
#!/bin/bash

n=1
a=/archive
dir_1=/home/gohara/test/sd1
dir_2=/home/gohara/test/sd2
dir_3=/home/gohara/test/sd3
filemask_1=TAV*.???
filemask_2=TAV*.???
filemask_3=TAV*.???
fileage_1=30
fileage_2=30
fileage_3=30

while [ $n -le 3 ]

do

#If dir_n is NOT NULL
if [ -n $dir_$n ]; then

find $dir_$n/$filemask_$n -type f -mtime +fileage_$n -exec mv {} $dir_$n$a \;

#Repeat task for 3 directories listed above
n=`expr $n + 1`

fi
done

 

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LEARN ABOUT OSX

createhomedir

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.

     -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.

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