$# in unix shell scripting what does it mean


 
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# 1  
Old 12-17-2010
$# in unix shell scripting what does it mean

Hi can some one let me know what is the meaning of

$#

$@

$_

@_ in unix shell scripting.

I really appreciate your time for replying to my post.

Thanks In Advance
# 2  
Old 12-17-2010
Check this
This User Gave Thanks to ctsgnb For This Post:
# 3  
Old 12-17-2010
Thanks a lot for the link.

so $# returns the input arguments ?

---------- Post updated at 01:50 PM ---------- Previous update was at 01:48 PM ----------

can someone explian them insimple words?
# 4  
Old 12-17-2010
$# represents the number of arguments:

Code:
$ set -- a
$ echo $#
1

$ set -- a b c
$ echo $#
3

These 2 Users Gave Thanks to Scott For This Post:
# 5  
Old 12-17-2010
Quote:
Originally Posted by scottn
$# represents the number of arguments:

Code:
$ set -- a
$ echo $#
1
 
$ set -- a b c
$ echo $#
3

I understood it very clearly now..

Thanks a lot scottn
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