我需要编写一个无限循环,在按下任何键时停止.
不幸的是,只有在按下一个键时才会循环.
想法好吗?
#!/bin/bash
count=0
while : ; do
# dummy action
echo -n "$a "
let "a+=1"
# detect any key press
read -n 1 keypress
echo $keypress
done
echo "Thanks for using this script."
exit 0
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