How to rename all files in a directory adding unix current date prefix

Question

I am using the following command to rename all files without spaces by adding "Hello" prefix

for FILENAME in *; do mv $FILENAME Hello_$FILENAME; done

I am using the following command to get unix datestamp

date +%s

How to replace Hello

with a conclusion date +%s

?

+3

Andy 12 nov. 14 at 3:05

1 answer

Elliott frisch · Accepted Answer · 2014-11-12T03:11:28+0000

If I understand your question, you can use $(date +%s)

command substitution syntax to get the output of a command (and I suggest quotes) like

for i in *; do mv "$i" "$(date +%s)_$i"; done