sed给行前面加入‘#’号
程序员文章站
2022-07-12 16:15:01
...
#!/bin/bash
filename=$1
key=$2
#sed -i '2,5s/'"$key"'.*/#/' $filename
sed -i 's/^'"$key"'/#&/' $filename
filename=$1
key=$2
#sed -i '2,5s/'"$key"'.*/#/' $filename
sed -i 's/^'"$key"'/#&/' $filename