Master·Read and process text
comm: Compare sorted lists
Syntax
comm [-123] File 1 File 2Options
-1- hide first column
-2- hide second column
-3- Hide shared columns
Examples
comm -12 a.txt b.txtUsage and sandbox support
The input must be sorted in alphabetical order; 1, 2, and 3 are unique, unique, and shared columns respectively.
Hands-on exercises
- Find the intersection of two sorted listsMaster
- Save the intersection of two groups of members as a reportMaster
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