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Read-only special variables and "local +h"
- X-seq: zsh-workers 10990
- From: "Bart Schaefer" <schaefer@xxxxxxxxxxxxxxxxxxxxxxx>
- To: zsh-workers@xxxxxxxxxxxxxx
- Subject: Read-only special variables and "local +h"
- Date: Fri, 28 Apr 2000 06:14:51 +0000
- Mailing-list: contact zsh-workers-help@xxxxxxxxxxxxxx; run by ezmlm
Try running the following function.
blam() {
setopt localoptions extendedglob
zmodload -i zsh/parameter
set $(typeset +r)
while (( $# )); do
[[ $1 = [[:alnum:]]# ]] && {
print -n "assigning to local $1\: "
eval \( local +h $1 \; ${(qf)$(set | grep \^$1=)} \)
case $? in
0) print no error detected;;
136) print floating point exception;;
139) print segmentation fault;;
*) print other failure;;
esac
}
shift
done
}
I get:
assigning to local ARGC: segmentation fault
assigning to local ERRNO: segmentation fault
assigning to local LINENO: segmentation fault
assigning to local PPID: segmentation fault
assigning to local TTYIDLE: segmentation fault
assigning to local builtins: floating point exception
assigning to local funcstack: no error detected
assigning to local history: floating point exception
assigning to local historywords: no error detected
assigning to local jobdirs: no error detected
assigning to local jobstates: no error detected
assigning to local jobtexts: no error detected
assigning to local modules: floating point exception
assigning to local parameters: floating point exception
assigning to local reswords: no error detected
assigning to local status: no error detected
assigning to local userdirs: floating point exception
--
Bart Schaefer Brass Lantern Enterprises
http://www.well.com/user/barts http://www.brasslantern.com
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