file_differ Namespace Reference

Provide utilities for comparing two files and seeing their differences. More...

Functions
bool	diff_files (const istring &_file1, const istring &_file2, const istring &_options, istring &_results, istring &_error)
	uses the "diff" program to compare _file1 and _file2.
void	AddCRs (istring &_string)
	adds carriage returns "\r" to any newlines without them in the string

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Detailed Description

Provide utilities for comparing two files and seeing their differences.

The file_differ executes a program named "diff". A program such as "diff.exe" or "diff.bat" be present in your path for the file_differ to work. This has been tested and used with the diff program installed as part of the cygwin package.

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Function Documentation

void TEXTUAL_FUNCTION_STYLE file_differ::AddCRs

(

istring &

_string

)

adds carriage returns "\r" to any newlines without them in the string

Definition at line 159 of file file_differ.cpp.

References istring::insert(), and istring::length().

bool TEXTUAL_FUNCTION_STYLE file_differ::diff_files	(	const istring &	_file1,
		const istring &	_file2,
		const istring &	_options,
		istring &	_results,
		istring &	_error
	)

uses the "diff" program to compare _file1 and _file2.

the results of the comparison are stored in _results. parameters to the diff program can be provided in _options. if an error occurs false is returned and the _error string will contain a description of the error.

Definition at line 28 of file file_differ.cpp.

References BUFSIZE, NULL, istring::reset(), and istring::s().

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