comp (command)
GNU GPL 2 |
In computing, comp is a command used on DEC OS/8,[1] DOS,[2] DR FlexOS,[3] IBM OS/2,[4] Microsoft Windows[5] and related computer operating systems such as ReactOS. It is used to perform comparisons of multiple computer files to show the differences between them.[6]
History
COMP.COM (among other commands) in IBM PC DOS 1.0.In DOS, the comp command first appeared in PC DOS 1.0DR DOS 6.0 also includes an implementation of the
comp command.[8]
The
GNU GPL 2.[10]
The command is also available in the
EFI shell.[11]
Syntax
comp [<Data1>] [<Data2>] [/d] [/a] [/l] [/n=<Number>] [/c]
Parameters
<Data1>– Location and name of the first file or set of files<Data2>– Location and name of the second file or set of files/d– Display differences in decimal format (Default is hexadecimal)/a– Display differences as characters/l– Display the number of the line, instead of the byte offset/n=<Number>– Compare only the specified number of lines for each file/c– Perform a non case-sensitive comparison/off[line]– Process files with the offline attribute set/?– Display Help
See also
- Data comparison
- List of DOS commands
- diff
References
- ^ "Concise Command Language" (CCL)."OS/8 Handbook" (PDF). April 1974. Retrieved 28 November 2017.
- ISBN 0078819040.
- ^ http://www.bitsavers.org/pdf/digitalResearch/flexos/1073-2003_FlexOS_Users_Guide_V1.3_Nov86.pdf Archived 2019-09-25 at the Wayback Machine [bare URL PDF]
- ^ "OS/2 Commands". www.jatomes.com. Archived from the original on 2019-04-14. Retrieved 2019-07-20.
- ^ "Comp".
- ISBN 0-7356-1812-7.
- ^ http://www.bitsavers.org/pdf/ibm/pc/dos/6172220_DOS_1.0_Jan82.pdf [bare URL PDF]
- ^ "DR DOS 6.0 User Guide Optimisation and Configuration Tips" (PDF). Archived from the original (PDF) on 2019-09-30. Retrieved 2019-08-13.
- ^ "FreeDOS 1.2 Updates Package - comp (FreeDOS Base)". Ibiblio.org. 2006-10-21. Retrieved 2022-09-04.
- ^ "Reactos/Reactos". GitHub. 3 January 2022.
- ^ "EFI Shells and Scripting". Intel. Retrieved 2013-09-25.
- ^ MS-DOS and Windows command line comp command
Further reading
- Cooper, Jim (2001). Special Edition Using MS-DOS 6.22, Third Edition. ISBN 978-0789725738.
- Dyson, Peter (1995). Mastering OS/2 Warp. ISBN 978-0782116632.
- Stanek, William R. (2008). Windows Command-Line Administrator's Pocket Consultant, 2nd Edition. ISBN 978-0735622623.
External links
Wikibooks has a book on the topic of: Guide to Windows Commands
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