22 lines
721 B
Bash
22 lines
721 B
Bash
silent_read() {
|
|
stty --file=/dev/tty -echo echonl 2>/dev/null || \
|
|
stty -F /dev/tty -echo echonl 2>/dev/null || \
|
|
stty -f /dev/tty -echo echonl || exit 1
|
|
IFS= read -r INPUT </dev/tty || exit 1
|
|
stty --file=/dev/tty echo -echonl 2>/dev/null || \
|
|
stty -F /dev/tty echo -echonl 2>/dev/null || \
|
|
stty -f /dev/tty echo -echonl || exit 1
|
|
}
|
|
|
|
if [ "$1" = "noechoback" ]; then
|
|
# Try `-s` option. *ksh have it that not `--silent`. Therefore, don't try it.
|
|
if [ -n "$BASH_VERSION" ] || [ -n "$ZSH_VERSION" ]; then
|
|
IFS= read -rs INPUT </dev/tty 2>/dev/null && printf '\n' >/dev/tty || silent_read
|
|
else
|
|
silent_read
|
|
fi
|
|
else
|
|
IFS= read -r INPUT </dev/tty || exit 1
|
|
fi
|
|
printf '%s' "'$INPUT'"
|
|
exit 0
|