... To aid description, line numbers are given on the left side of each line (these line numbers are not part of the shell script ). 1: #!/bin/csh 2: 3: # Delete any datasets called multi.uv . 4: 5: rm -rf multi.uv 6: 7: fits in= MULTI.UV op=uvin out= multi.uv 8: 9: foreach srcnam ( 1934-638 0823-500 vela ) 10: uvaver vis = multi.uv select=source(${ srcnam }) out=${ srcnam }.uv 11: end 12: 13: mfcal Line 1: C-shell scripts must always start with the rather cryptic #!/bin/csh . ...