cut
Remove sections from each line of files.
$ cut
Examples
# Cut fields by delimiter cut -d, -f1,3 data.csv # Cut characters cut -c1-5 file.txt # Cut with custom output delimiter cut -d: -f1,3 --output-delimiter=' | ' /etc/passwd # Complement (exclude fields 2-4) cut -d, -f2-4 --complement data.csv # Read from stdin echo "hello,world" | cut -d, -f1