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shell script command example

巴扎黑
巴扎黑Original
2017-07-21 09:17:181200browse

1. Rename the file

Rename A.txt in drive D to B.txt

mv D:\\A.txt D:\\B.txt

2. Delete the file

Delete the A.txt file under the D drive

rm D:\\A.txt

3. Modify the file content and Save

//Get the content of A.txt in drive D

oldtime=$(cat D:\\A.txt)

//Get the current year, month and day
time=$(date +"%Y%m%d")

Replace the content of the A.txt file under the D drive with the current date and save it to the B.txt file under the D drive

sed s/$oldtime/$time/ D:\\A.txt >D:\\B.txt

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