* Positional Parameter "$@"
@ 1995-06-29 20:03 Yoshinari KANAYA/金谷吉成
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From: Yoshinari KANAYA/金谷吉成 @ 1995-06-29 20:03 UTC (permalink / raw)
To: zsh-users
Dear ZSH maintainers,
$ echo $ZSH_VERSION
2.6-beta8
$ uname -a
SunOS chacha 5.3 Generic_101318-70 sun4m sparc
(1) $ cat foo
#!/bin/zsh
echo ${1+"$@"}
$ ./foo a b c
./foo: ambiguous: a [2]
(2) $ cat bar
#!/bin/ksh
echo ${1+"$@"}
$ ./bar a b c
a b c
(Same even if ksh is bash)
Why the result is different? By the way, the following is OK.
(3) $ cat baz
#!/bin/zsh
echo ${1+"$*"}
$ ./baz a b c
a b c
I read zshparam manual page, specially "Positional Parameters"
section. But I couldn't also explain the difference between (1) and (3).
Will anybody point out my stupidity?
Sincerely,
--
Yoshinari KANAYA <kanaya@yumimi.dais.is.tohoku.ac.jp>
Miyazaki Laboratory, Graduate School of Information Sciences,
Tohoku University, Sendai 980-77, Japan
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1995-06-29 20:03 Positional Parameter "$@" Yoshinari KANAYA/金谷吉成
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