diff_file

diff two files or strings.

Syntax

• res = diff(filename_1, filename_2, with_eol)

Input argument

• filename_1 - a string: a filename.
• filename_2 - a string: a filename.
• with_eol - a logical: with end of line considered or not (true by default).

Output argument

• res - a string: '' if no diff detected.
• msg - a string: error message

Description

diff_file compares two files and returns diff as unified format.

if compared files are equals, res is an empty string.

Example

res = diff_file([nelsonroot(), '/etc/startup.m'], [nelsonroot(), '/etc/startup.m'])
res = diff_file([nelsonroot(), '/etc/startup.m'], [nelsonroot(), '/etc/finish.m'])

See also

isdir, isfile.

History

Author

Allan CORNET