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Old 02-27-2014, 10:26 PM   #1
divya_agsrdk
LQ Newbie
 
Registered: Feb 2014
Posts: 1

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Whats the use of () -parentheses


Whats the use of () -parentheses
In the below ex: a=($*) what it means

Shell script to print the command line arguments in reverse order
if [ $# -eq 0 ]
then
echo -e "\nNo arguments entered\n"
else
a=($*)
echo "arguments are"
echo $*
let x=$#
echo "arguments in reverse order are : "
while [ $x -ne -1 ]
do
echo -n " ${a[$x]}"
let x=x-1
done
fi
 
Old 02-27-2014, 10:36 PM   #2
Firerat
Senior Member
 
Registered: Oct 2008
Distribution: Debian Jessie / sid
Posts: 1,471

Rep: Reputation: 444Reputation: 444Reputation: 444Reputation: 444Reputation: 444
In this case you are creating a bash array named "a"

A good introduction to bash arrays
http://mywiki.wooledge.org/BashGuide/Arrays

PS
Please wrap code with bb code tags

[code]
example code box
2nd line
< actually 4 spaces here >3rd line
[/code]

Code:
example code box
2nd line
     3rd line

Last edited by Firerat; 02-27-2014 at 10:37 PM.
 
  


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