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unix Keyword 3
diff/diff3/patch
Definition
Operations used to compare files, outputting their differences, and is often used to tell the differences between versions of the same file.
References
List any sites, books, or sources utilized when researching information on this topic. (Remove any filler text).
unix Keyword 3 Phase 2
sort/uniq
Definition
The sort commands sorts the the lines of text files in order. You can use different arguments like -r to sort them in reverse order. The uniq command is used with the sort command to remove duplicate lines in the file that you are sorting. There are also arguments for uniq like -d that only prints duplicated lines or -u that only prints unique lines.
References
List any sites, books, or sources utilized when researching information on this topic. (Remove any filler text).
- man page for sort
- man page for uniq
Demonstration
Demonstration of the indicated keyword.
If you wish to aid your definition with a code sample, you can do so by using a wiki code block, an example follows:
Alternatively (or additionally), if you want to demonstrate something on the command-line, you can do so as follows: SORT:
lab46:~/src/class$ vim testdata 'testdata' 1 alpha 2 beta 3 zeta 4 kapa 5 kapa 6 sigma 7 sigma 8 foxtrot 9 foxtrot 10 delta 11 hotel lab46:~/src/class$ sort -d testdata alpha beta delta foxtrot foxtrot hotel kapa kapa sigma sigma zeta
UNIQ:
lab46:~/src/class$ vim testdata 'testdata' 1 alpha 2 beta 3 zeta 4 kapa 5 kapa 6 sigma 7 sigma 8 foxtrot 9 foxtrot 10 delta 11 hotel lab46:~/src/class$ uniq -d testdata kapa sigma foxtrot
