3

I'm writing a script to publish a webapp. While copying files, I must replace a placeholder current_date in a file with the current date.

I would start with something like this to define the date string

date=`date +%Y%m%d`

The copy and replace part is where I don't know how to start.

10

Use sed. Here is an example:

sed "s/current_date/`date +%Y%m%d`/" infile > copyfile

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