Purpose
Print a list of all FITS files in the data directory
Usage
dir [flags]
Arguments
flags = any legal flags for the "ls" command
Output
a list of files is printed to the standard output
Exit values
0 = normal completion
1 = wrong number of arguments
2 = output directory not found
Example
1) obtain a short listing of files in the output directory
dir
2) obtain a long listing
dir -l