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Command Line Arguments like $# or $1.. how to increment?- Bourne Shell

Posted on 2011-02-17
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Last Modified: 2013-12-26
Let's say the script is called test.sh

and i run it so it's like "test.sh a b c d e f"

I'm trying to print it so it prints something like
a b c d e f
b c d e f
c d e f
etc

I'm trying something like maybe incrementing $1.. so i can do something like

num=`expr $1 + 1`
echo num

but that isn't working... i'm still not sure how i can code this yet, but I'm thinking if I can increment $1, i can figure something out.. is there some way I can do this?

I know of the $# and $@ but I don't think it helps very much.. i'm hoping someone can push me in the right direction
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Question by:nocturn4l
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3 Comments
 
LVL 84

Accepted Solution

by:
ozo earned 250 total points
ID: 34915580
while [ $# -gt 0 ] ; do
  echo $*
  shift
done
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LVL 68

Assisted Solution

by:woolmilkporc
woolmilkporc earned 250 total points
ID: 34915594
Hi,

you can use "shift", which will drop $1, make $2 to $1, $3 to $2 etc.

There is also "shift 2", "shift 3" etc.

wmp

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Author Closing Comment

by:nocturn4l
ID: 34915624
life saver
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