I need php code to do the following I have a bunch of pipe separated csv files that are named liked this 1file_20100608_6-8-2010.csv 1file_20100609_6-8-2010.csv 1file_20100610_6-8-2010.csv The pipe delimited lines look like this 025|0001|ITEMS|0010|619.1000 For each file, at the beginning of each line, I need to add this part '20100610_6-8-2010' of the file name but also pipe delimited like this '20100610|6-8-2010' and then save the file The file result of the pipe delimited lines should look look like this 20100610|6-8-2010|025|0001|ITEMS|0010|619.1000 Thanks