diff options
Diffstat (limited to 'runtime/doc/diff.txt')
-rw-r--r-- | runtime/doc/diff.txt | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/runtime/doc/diff.txt b/runtime/doc/diff.txt index 91b0047..e3abbde 100644 --- a/runtime/doc/diff.txt +++ b/runtime/doc/diff.txt @@ -1,4 +1,4 @@ -*diff.txt* For Vim version 9.1. Last change: 2023 Apr 04 +*diff.txt* For Vim version 9.1. Last change: 2024 Feb 01 VIM REFERENCE MANUAL by Bram Moolenaar @@ -476,4 +476,48 @@ Otherwise, the expression is evaluated in the context of the script where the option was set, thus script-local items are available. +DIFF FUNCTION EXAMPLES *diff-func-examples* + +Some examples for using the |diff()| function to compute the diff indices +between two Lists of strings are below. +> + " some lines are changed + :echo diff(['abc', 'def', 'ghi'], ['abx', 'rrr', 'xhi'], {'output': 'indices'}) + [{'from_idx': 0, 'from_count': 3, 'to_idx': 0, 'to_count': 3}] + + " few lines added at the beginning + :echo diff(['ghi'], ['abc', 'def', 'ghi'], {'output': 'indices'}) + [{'from_idx': 0, 'from_count': 0, 'to_idx': 0, 'to_count': 2}] + + " few lines removed from the beginning + :echo diff(['abc', 'def', 'ghi'], ['ghi'], {'output': 'indices'}) + [{'from_idx': 0, 'from_count': 2, 'to_idx': 0, 'to_count': 0}] + + " few lines added in the middle + :echo diff(['abc', 'jkl'], ['abc', 'def', 'ghi', 'jkl'], {'output': 'indices'}) + [{'from_idx': 1, 'from_count': 0, 'to_idx': 1, 'to_count': 2}] + + " few lines removed in the middle + :echo diff(['abc', 'def', 'ghi', 'jkl'], ['abc', 'jkl'], {'output': 'indices'}) + [{'from_idx': 1, 'from_count': 2, 'to_idx': 1, 'to_count': 0}] + + " few lines added at the end + :echo diff(['abc'], ['abc', 'def', 'ghi'], {'output': 'indices'}) + [{'from_idx': 1, 'from_count': 0, 'to_idx': 1, 'to_count': 2}] + + " few lines removed from the end + :echo diff(['abc', 'def', 'ghi'], ['abc'], {'output': 'indices'}) + [{'from_idx': 1, 'from_count': 2, 'to_idx': 1, 'to_count': 0}] + + " disjointed changes + :echo diff(['ab', 'def', 'ghi', 'jkl'], ['abc', 'def', 'ghi', 'jk'], {'output': 'indices', 'context': 0}) + [{'from_idx': 0, 'from_count': 1, 'to_idx': 0, 'to_count': 1}, + {'from_idx': 3, 'from_count': 1, 'to_idx': 3, 'to_count': 1}] + + " disjointed changes with context length 1 + :echo diff(['ab', 'def', 'ghi', 'jkl'], ['abc', 'def', 'ghi', 'jk'], {'output': 'indices', 'context': 1}) + [{'from_idx': 0, 'from_count': 4, 'to_idx': 0, 'to_count': 4}] + +< + vim:tw=78:ts=8:noet:ft=help:norl: |