使用Bash Shell检查文件是否存在的方法_linux shell_

 test -e filename [ -e filename ] test -f filename [ -f filename ]

 [ -f /etc/hosts ] && echo "Found" || echo "Not found"

 Found

 #!/bin/bash file="/etc/hosts" if [ -f "$file" ] then echo "$file found." else echo "$file not found." fi

 -b FILE FILE exists and is block special -c FILE FILE exists and is character special -d FILE FILE exists and is a directory -e FILE FILE exists -f FILE FILE exists and is a regular file -g FILE FILE exists and is set-group-ID -G FILE FILE exists and is owned by the effective group ID -h FILE FILE exists and is a symbolic link (same as -L) -k FILE FILE exists and has its sticky bit set -L FILE FILE exists and is a symbolic link (same as -h) -O FILE FILE exists and is owned by the effective user ID -p FILE FILE exists and is a named pipe -r FILE FILE exists and read permission is granted -s FILE FILE exists and has a size greater than zero -S FILE FILE exists and is a socket -t FD file descriptor FD is opened on a terminal -u FILE FILE exists and its set-user-ID bit is set -w FILE FILE exists and write permission is granted -x FILE FILE exists and execute (or search) permission is granted

 if [ operator FileName ] then echo "FileName - Found, take some action here" else echo "FileName - Not found, take some action here" fi