shell列出目錄文件 shell判斷文件是否更新？
shell判斷文件是否更新？ls-l | awk “{print$5}”> file1睡眠300ls-l | awk “{print$5}”> file 2diff file1文件2
shell判斷文件是否更新？
ls-l | awk “{print$5}”> file1睡眠300ls-l | awk “{print$5}”> file 2diff file1文件2
shell判斷文件是否更新？ls-l | awk “{print$5}”> file1睡眠300ls-l | awk “{print$5}”> file 2diff file1文件2
ls-l | awk “{print$5}”> file1睡眠300ls-l | awk “{print$5}”> file 2diff file1文件2