46 lines
1 KiB
Fish
46 lines
1 KiB
Fish
function select -a header outFile message error choices loop
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if [ -z "$loop" ]
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set loop true
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end
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while true
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set -l items
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echo "$choices" | while read choice
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set -a items "$choice"
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end
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set -l count (count $items)
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set -l padding (math (string length "$count") + 1)
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if [ "$count" -gt 0 ]
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echo "$message"
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printf "%"$padding"s %s\n" "" "$header"
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for i in (seq "$count")
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printf "%"$padding"s %s\n" "$i" "$items[$i]"
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end
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read -lP "Your choice: " choice
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or exit 1
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if math "0+$choice" &>/dev/null
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if [ "$choice" -ge 1 ] && [ "$choice" -le "$count" ]
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echo "$items[$choice]" >$outFile
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return
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end
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end
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echo "The specified \"$choice\" is invalid!"
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else
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echo "$error" >&2
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exit
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end
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if not "$loop"
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break
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end
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end
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return 1
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end
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