Command " $@"

[Manuales]

what is the meaning of $@?

Regards.

[curt larson_1 · Accepted solution]

it sort of depends on the shell your using.

but, in the korn shell, it stands for the expandsion of the positional parameters. ksh expands the positional parameters starting with $1, separating them with space characters.

"$@" is equivalent to "$1" "$2" up to "$n" where n is the value fo $#.

where there are no positional parameters, ksh expands "$@" to an unquoted null string

and you can not initalize or assign vaules to the variable @

[Peter Nikitka]

Hi,

the special meaning of "$@" is, that it keeps embedded spaces (or other characters of $IFS) in its usage.

myscript a 'b c' 'd e f'
will report (echo $#) three parameters.

Using a
myotherscript $*
in 'myscript' will send six parameters to 'myotherscript', while

myotherscript "$@"
will keep the original three.

mfG Peter

[Yogeeraj_1]

hi manuales,

see also http://www.injunea.demon.co.uk/pages/page212.htm#15.5

for more examples on $# and $@


hope this helps too!

kind regards
yogeeraj