array not working

array not working

[zzapper]

Hi a previously working zsh script

#!/bin/zsh
echo $SHELL
dirbackup="c:/backup/mysql/"
mysqldump="/c/mysql41/bin/mysqldump"
param="--add-drop-table "
server="www.someurl.co.uk"
someurl=(database login password filename)

"$mysqldump" $param -h $server -u${someurl[1]} -p$someurl[2] -B ${someurl
[0]} > ${someurl[3]}.sql

What is happening is that ${someurl[1]} $someurl[2] ${someurl[0]}

are all evaulating to the same value (first element in array)

zsh 4.3.2 (i686-pc-cygwin)

what daft thing am i doing?


-- 
http://successtheory.com/tips/ Vim, Zsh, MySQL Tips

Re: array not working

[zzapper]

zzapper <david@tvis.co.uk> wrote in
news:Xns98877CBF8A380zzappergmailcom@80.91.229.5: 

> Hi a previously working zsh script
> 
> #!/bin/zsh
> echo $SHELL
> dirbackup="c:/backup/mysql/"
> mysqldump="/c/mysql41/bin/mysqldump"
> param="--add-drop-table "
> server="www.someurl.co.uk"
> someurl=(database login password filename)
> 
> "$mysqldump" $param -h $server -u${someurl[1]} -p$someurl[2] -B
> ${someurl [0]} > ${someurl[3]}.sql
> 
> What is happening is that ${someurl[1]} $someurl[2] ${someurl[0]}
> 
> are all evaulating to the same value (first element in array)
> 
> zsh 4.3.2 (i686-pc-cygwin)
> 
> what daft thing am i doing?
> 
> 
Hi
Started new shell and problem went away, but arrays now seem to be
indexed from 1 rather than zero?? 

Did this change recently?


-- 
http://successtheory.com/tips/ Vim, Zsh, MySQL Tips

Re: array not working

[Nikolai Weibull]

On 11/26/06, zzapper <david@tvis.co.uk> wrote:

> Started new shell and problem went away, but arrays now seem to be
> indexed from 1 rather than zero??

>From zshparam(1):

       Individual  elements  of an array may be selected using a subscript.  A
       subscript of the form `[exp]' selects the single element exp, where exp
       is  an arithmetic expression which will be subject to arithmetic expan-
       sion as if it were surrounded by `$((...))'.  The elements are numbered
       beginning  with  1,  unless  the KSH_ARRAYS option is set in which case
       they are numbered from zero.

And this has, as far as I know, always been the case.

  nikolai

Re: array not working

[zzapper]

"Nikolai Weibull" <now@bitwi.se> wrote in
news:dbfc82860611260535s429e4464qb7f50650e7446adb@mail.gmail.com: 

> On 11/26/06, zzapper <david@tvis.co.uk> wrote:
> 
>> Started new shell and problem went away, but arrays now seem to be
>> indexed from 1 rather than zero??
> 
> From zshparam(1):
> 
>   nikolai
> 
> 

Sorry false alarm, the original script used to run under bash, which I 
guess used zero indexing



-- 
http://successtheory.com/tips/ Vim, Zsh, MySQL Tips

Re: array not working

[Bart Schaefer]

On Nov 26, 12:53pm, zzapper wrote:
} Subject: Re: array not working
}
} zzapper <david@tvis.co.uk> wrote in
} news:Xns98877CBF8A380zzappergmailcom@80.91.229.5: 
} 
} > Hi a previously working zsh script

Are you running this stand-alone or is it loaded as a shell function?

Did you update any any other part of Cygwin recently?

} > someurl=(database login password filename)
} > 
} > "$mysqldump" $param -h $server -u${someurl[1]} -p$someurl[2] -B
} > ${someurl [0]} > ${someurl[3]}.sql

I'm going to assume the space before [0] is a line wrapping artifact.

} > What is happening is that ${someurl[1]} $someurl[2] ${someurl[0]}
} > are all evaulating to the same value (first element in array)

Quite frankly I'm not sure how this ever worked.  With the ksh_arrays
option NOT set, ${someurl[1]} and ${someurl[0]} should always have been
the same value, and WITH ksh_arrays set, $someurl[2] is the same as
${someurl}[2] which would be interpreted as a file pattern (and either
error with "no match" or result in one of "database[2]" or nothing,
depending on the nomatch and nullglob options).

There is no case I know of where [[ ${someurl[1]} == $someurl[2] ]]
would be true, given the shown starting state of the array.

} > what daft thing am i doing?

I can't think of any combination of setopts that would produce your
desired effect with that assortment of subscripting and braces.

} Started new shell and problem went away, but arrays now seem to be
} indexed from 1 rather than zero?? 
} 
} Did this change recently?

As Nikolai said, no, it did not.  Aside from the impossible scripting
above, could it be that someone has changed something in a startup file?
Perhaps in the Cygwin equivalent of /etc/zshenv or similar?