23 lines
538 B
Bash
23 lines
538 B
Bash
case ${.sh.version} in
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*93[[:alpha:]]+*) :;; #this appears to be ksh93, we're OK
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*) echo "version appears to be too old"
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exit # otherwise, bail out
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;;
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esac
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if [[ -z ${bloop+bloop has a value} ]]; then
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print "no bloop variable"
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elsif (( abs(1) )); then
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print -- $(( abs(bloop) ))
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fi
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typeset -a int_vars
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set | while IFS='=' read -r var value; do
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if [[ $value == +([[:digit:]]) ]]; then
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int_vars[n++]=$var
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let sum += $value
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fi
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done
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print "${int_vars[*]}"
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print -- $sum
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