tringZ.
Example 9-10. Converting graphic file formats, with filename change
#!/bin/bash
# cvt.sh:
#... the MacPaint image files in a directory to "pbm" format.
# Uses the "macptopbm" binary from the "netpbm... a command as the Nth parameter,
# but also keep formatting of the other parameters...
Function
Returns... process command line arguments with the following format:
-a
brief option a with no value;
-a123