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The file types addressed by individual file comparison apps varies but may include text, symbols, images, audio, or video. This category of software tool is often called "file comparison" or "diff tool", but those effectively are equivalent terms — where the term "diff" is more commonly associated with the Unix diff utility.
In computing, fc (File Compare) is a command-line program in DOS, IBM OS/2 and Microsoft Windows operating systems, that compares multiple files and outputs the differences between them. [2] [3] It is similar to the Unix commands comm, cmp and diff.
It allows users to compare two or three files or directories visually, color-coding the different lines. Meld can be used for comparing files, directories, and version controlled repositories. It provides two- and three-way comparison of both files and directories, and supports many version control systems including Git , Mercurial , Baazar ...
To compare binary files, a tool may use byte-level comparison. Comparing text files or computer programs , many tools use a side-by-side visual comparison. [ 5 ] This gives the user the chance to choose which changes to keep or reject before merging the files into a new version. [ 6 ]
ExamDiff Pro is a commercial software utility for visual file and directory comparison, for Microsoft Windows. ExamDiff Pro has a double-pane view that allows side-by-side comparisons, with color-coded line numbers indicating whether each line is added, deleted, or changed. ExamDiff Pro can compare text and binary files, and directories.
In computing, the utility diff is a data comparison tool that computes and displays the differences between the contents of files. Unlike edit distance notions used for other purposes, diff is line-oriented rather than character-oriented, but it is like Levenshtein distance in that it tries to determine the smallest set of deletions and insertions to create one file from the other.
Handles DOS, Unix, and Mac text file formats; Unicode support (as of version 2.8.0, UTF-8 files are correctly read without a BOM) Difference pane shows current difference in two vertical panes; Location pane shows map of files compared; Highlights differences inside lines in file compare; Can also generate HTML report with differences highlighted
WinDiff is a graphical file comparison program published by Microsoft, distributed with Microsoft Windows Support Tools, [1] [2] certain versions of Microsoft Visual Studio, and as source-code with the Platform SDK code samples.