.af += set equality

awdeorio · Oct 6, 2023 · a2cfb67 · a2cfb67
1 parent e01a7d9
commit a2cfb67
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.always_forget.txt b/.always_forget.txt
@@ -1325,6 +1325,7 @@ sort file1 | uniq                       # unique patterns
 sort file1 file2 | uniq                 # set union
 sort file1 file2 | uniq -d              # set intersection
 sort file1 file2 | uniq -u              # set symmetric difference
+diff <(sort file1) <(sort file2)        # set equality
 cat FILE | sort | uniq -c               # frequency analysis (histogram)
 factor NUM                              # print prime factors
 st                                      # statistics about a stream of numbers