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rc/sh/confirm
2015-05-23 01:16:56 -07:00

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#!/usr/bin/env bash
if [ -n "${ZSH_VERSION:-}" ]; then
confirm() {
read -q '?Continue? [y/N] '
ret=$?
echo
return $ret
}
else
confirm() {
# specify stdin (1) to avoid taking input from pipes
read -n1 -u 1 -p "Continue? [y/N] " c
echo
[ "$c" != 'y' ] && [ "$c" != 'Y' ] && return 1
return 0
}
fi
confirm