If you're using turbo C shell (tcsh) you can use the following approach. Say I had this sample file:
$ cat afile
1
2
3
4
5
And this script:
$ cat cmd.csh
#!/bin/tcsh
foreach i (`cat afile`)
echo "$i"
end
Running it will produce this output:
$ ./cmd.csh
1
2
3
4
5