| ZDIFF(1) | General Commands Manual | ZDIFF(1) | 
zcmp, zdiff —
| zcmp | [options] file [file2] | 
| zdiff | [options] file [file2] | 
zcmp and zdiff are filters that
  invoke cmp(1) or
  diff(1) respectively to compare
  compressed files. Any options that are specified are
  passed to cmp(1) or
  diff(1).
If only file1 is specified, it is compared against a file with the same name, but with the extension removed. When both file1 or file2 are specified, either file may be compressed.
Extensions handled by gzip(1):
Extensions handled by bzip2(1):
Extensions handled by xz(1):
TMPDIRzcmp.zdiff.zcmp and zdiff rely solely on
  the file extension to determine what is, or is not, a compressed file.
  Consequently, the following are not supported as arguments:
| April 14, 2010 | NetBSD 10.1 |