Package: ksh
Severity: minor
Hi,
setenv() in the example .kshrc at least in Jessie behaves different than
setenv in tcsh. Your behaviour with one argument (exporting "$1") makes
more sense than the tcsh's behaviour (exporting and setting "$1" to ""),
but this doesn't seem to be relevant for an undocumented function. Even
if this would be on purpose, it should not fail if $# is 0.
A verbose ksh93/zsh specific implementation might look similar to this:
setenv() {
case $# in
0) export ;;
1) export "$1"= ;;
2) export "$1"="$2" ;;
esac
}
A short equivalent one that is set -u safe is:
setenv() { export ${1+"$1=${2-}"}; }
The possibly shortest one (not set -u safe) is:
setenv() { export ${1+"$1=$2"}; }
csh's setenv is weird (setenv '$FOO' BAR expands $FOO and uses the
result as variable name) and can only be implemented with eval
- therefore choosing tcsh's setenv instead looks like a good decision.
Carsten
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