findstr.icn: Program to find embedded character strings

Utility filter to list character strings embedded in data files (e.g.
object files).

     findstr -options file...

     -l length       minimum string size to be printed (default 3)
     -c chars        a string of characters (besides the standard ASCII
                     printable characters) to be considered part of a
                     string

Icon string escape sequences can be used to specify the -c option.

Multiple files can be specified as arguments, and will be processed
in sequence.