Bash script to convert a date and time column to unix timestamp in .csv

Question

I am trying to create a script to convert two columns in a .csv file which are date and time into unix timestamps. So i need to get the date and time column from each row, c

Answer 1

Now two imporvements:

First: No need for cat foo.csv, just stream that via < foo.csv into the while loop.

Second: No need for echo & tr to create the date stringformat. Just use bash internal pattern and substitute and do it inplace

while read line ; do echo ${line}\;$(date -d "${line//;/ }" +'%s'); done < foo.csv