codejake

PS> cat .\pets.txt
dog,bowser,5
cat,mimi,4
snake,mr slithers,18

PS> get-content "pets.txt" | foreach-object {
  $data = $_ -split ","
  "{1} is a {0} who is {2} years old" -f $data[0],$data[1],$data[2]
}

codejake

PS1> Get-Content foo.txt
dog
cat
bird
fish
chicken
duck
giraffe

PS1> Get-Content foo.txt | %{$_ -replace "duck", "fruit"}