15 lines
340 B
Bash
15 lines
340 B
Bash
# prompt_char "prompt" <?timeout_sec>
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# Set REPLY to the next char the user types:
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prompt_char () {
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exec < /dev/tty
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if [ ! -z "$2" ]; then
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read -t $2 -p "${1} " -n 1 -r
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else
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read -p "${1} " -n 1 -r
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fi
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if [ $? -ne 0 ]; then
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REPLY=n
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fi
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echo # (optional) move to a new line
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exec <&-
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} |