example12.16

来自「Unix Shell编程权威指南的配套源代码,书是好书,不过习题没有答案,要自己」· 16 代码 · 共 6 行

file=/etc/passwd
if [[ -f $file && (-r $file || -w $file) ]]
then
  print $file is a plain file and is either readable or writeable
fi