Usage - Description - Options - Limitations - Return codes
middle [log logfile] [option] m n [infile] [to outfile]
middle copies infile to outfile, except the m first and the n last lines.
If infile has m+n or fewer lines, outfile will be empty.
On DOS, m and n must be in the range 0 .. 32767, on Win32 0 .. 2147483647.
If you don't specify infile, middle reads from standard input.
If you don't specify outfile, middle writes to standard output.
If you don't specify logfile, middle writes error messages to standard
error.
middle recognizes the following command line options:
Option | Function |
---|---|
-v | Print version banner and usage info to standard error (or logfile, if given), then exit. |
Middle can run out of memory if the specified 'middle portion' is very large.
middle returns with one of the following codes ("error levels"):
Code | Meaning |
---|---|
0 | Success |
101 | Out of memory |
102 | Incorrect command line arguments |
104 | Error opening file |
105 | I/O error |
107 | File name clash |