| 1 | User-visible changes in version 2.8.1:
|
|---|
| 2 |
|
|---|
| 3 | * Documentation fixes.
|
|---|
| 4 |
|
|---|
| 5 | User-visible changes in version 2.8:
|
|---|
| 6 |
|
|---|
| 7 | * cmp and diff now conform to POSIX 1003.1-2001 (IEEE Std 1003.1-2001)
|
|---|
| 8 | if the underlying system conforms to POSIX and if the _POSIX2_VERSION
|
|---|
| 9 | environment variable is set to 200112. Conformance removes support
|
|---|
| 10 | for `diff -NUM', where NUM is a number. Use -C NUM or -U NUM instead.
|
|---|
| 11 | * cmp now supports trailing operands SKIP1 and SKIP2, like BSD cmp.
|
|---|
| 12 | * cmp -i or --ignore-initial now accepts SKIP1:SKIP2 option value.
|
|---|
| 13 | * New cmp option: -n or --bytes.
|
|---|
| 14 | * cmp's old -c or --print-chars option has been renamed;
|
|---|
| 15 | use -b or --print-bytes instead.
|
|---|
| 16 | * cmp now outputs "byte" rather than "char" outside the POSIX locale.
|
|---|
| 17 | * cmp -l's index column width now adjusts to fit larger (or smaller) files.
|
|---|
| 18 | * cmp -l -s and cmp -s -l are not allowed. Use cmp -s or cmp -l instead.
|
|---|
| 19 | * diff uses ISO 8601 style time stamps for output times (e.g. "2001-11-23
|
|---|
| 20 | 16:44:36.875702460 -0800") unless in the C or POSIX locale and the
|
|---|
| 21 | -c style is specified.
|
|---|
| 22 | * diff's -I and -F options use the regexp syntax of grep, not of Emacs.
|
|---|
| 23 | * diff now accepts multiple context arguments, and uses their maximum value.
|
|---|
| 24 | * New diff and sdiff options:
|
|---|
| 25 | -E --ignore-tab-expansion
|
|---|
| 26 | --strip-trailing-cr
|
|---|
| 27 | * New diff options:
|
|---|
| 28 | --from-file=FILE, --to-file=FILE
|
|---|
| 29 | --ignore-file-name-case
|
|---|
| 30 | --no-ignore-file-name-case
|
|---|
| 31 | * New diff3 and sdiff option:
|
|---|
| 32 | --diff-program=PROGRAM
|
|---|
| 33 | * The following diff options are still accepted, but are no longer documented.
|
|---|
| 34 | They may be withdrawn in future releases.
|
|---|
| 35 | -h (omit; it has no effect)
|
|---|
| 36 | -H (use --speed-large-files instead)
|
|---|
| 37 | -L (use --label instead)
|
|---|
| 38 | -P (use --unidirectional-new-file instead)
|
|---|
| 39 | --inhibit-hunk-merge (omit; it has no effect)
|
|---|
| 40 | * Recursive diffs now sort file names according to the LC_COLLATE locale
|
|---|
| 41 | category if possible, instead of using native byte comparison.
|
|---|
| 42 | * Diff printf specs can now use the "0" and "'" flags.
|
|---|
| 43 | * The new sdiff interactive command `ed' precedes each version with a header.
|
|---|
| 44 | * On 64-bit hosts, files larger than 2 GB can be compared.
|
|---|
| 45 | * Some internationalization support has been added, but multibyte locales
|
|---|
| 46 | are still not completely supported yet.
|
|---|
| 47 | * Some diagnostics have been reworded slightly for consistency.
|
|---|
| 48 | Also, `diff -D FOO' now outputs `/* ! FOO */' instead of `/* not FOO */'.
|
|---|
| 49 | * The `patch' part of the manual now describes `patch' version 2.5.4.
|
|---|
| 50 | * Man pages are now distributed and installed.
|
|---|
| 51 | * There is support for DJGPP; see the 'ms' subdirectory and the files
|
|---|
| 52 | m4/dos.m4 and */setmode.*.
|
|---|
| 53 |
|
|---|
| 54 |
|
|---|
| 55 | User-visible changes in version 2.7:
|
|---|
| 56 |
|
|---|
| 57 | * New diff option: --binary (useful only on non-POSIX hosts)
|
|---|
| 58 | * diff -b and -w now ignore line incompleteness; -B no longer does this.
|
|---|
| 59 | * cmp -c now uses locale to decide which output characters to quote.
|
|---|
| 60 | * Help and version messages are reorganized.
|
|---|
| 61 |
|
|---|
| 62 |
|
|---|
| 63 | User-visible changes in version 2.6:
|
|---|
| 64 |
|
|---|
| 65 | * New cmp, diff, diff3, sdiff option: --help
|
|---|
| 66 | * A new heuristic for diff greatly reduces the time needed to compare
|
|---|
| 67 | large input files that contain many differences.
|
|---|
| 68 | * Partly as a result, GNU diff's output is not exactly the same as before.
|
|---|
| 69 | Usually it is a bit smaller, but sometimes it is a bit larger.
|
|---|
| 70 |
|
|---|
| 71 |
|
|---|
| 72 | User-visible changes in version 2.5:
|
|---|
| 73 |
|
|---|
| 74 | * New cmp option: -v --version
|
|---|
| 75 |
|
|---|
| 76 |
|
|---|
| 77 | User-visible changes in version 2.4:
|
|---|
| 78 |
|
|---|
| 79 | * New cmp option: --ignore-initial=BYTES
|
|---|
| 80 | * New diff3 option: -T --initial-tab
|
|---|
| 81 | * New diff option: --line-format=FORMAT
|
|---|
| 82 | * New diff group format specifications:
|
|---|
| 83 | <PRINTF_SPEC>[eflmnEFLMN]
|
|---|
| 84 | A printf spec followed by one of the following letters
|
|---|
| 85 | causes the integer corresponding to that letter to be
|
|---|
| 86 | printed according to the printf specification.
|
|---|
| 87 | E.g. `%5df' prints the number of the first line in the
|
|---|
| 88 | group in the old file using the "%5d" format.
|
|---|
| 89 | e: line number just before the group in old file; equals f - 1
|
|---|
| 90 | f: first line number in group in the old file
|
|---|
| 91 | l: last line number in group in the old file
|
|---|
| 92 | m: line number just after the group in old file; equals l + 1
|
|---|
| 93 | n: number of lines in group in the old file; equals l - f + 1
|
|---|
| 94 | E, F, L, M, N: likewise, for lines in the new file
|
|---|
| 95 | %(A=B?T:E)
|
|---|
| 96 | If A equals B then T else E. A and B are each either a decimal
|
|---|
| 97 | constant or a single letter interpreted as above. T and E are
|
|---|
| 98 | arbitrary format strings. This format spec is equivalent to T if
|
|---|
| 99 | A's value equals B's; otherwise it is equivalent to E. For
|
|---|
| 100 | example, `%(N=0?no:%dN) line%(N=1?:s)' is equivalent to `no lines'
|
|---|
| 101 | if N (the number of lines in the group in the the new file) is 0,
|
|---|
| 102 | to `1 line' if N is 1, and to `%dN lines' otherwise.
|
|---|
| 103 | %c'C'
|
|---|
|
|---|
