drop column for filters

Remove N columns at the right-hand end of the input table. To remove columns by name, use `reject`.

Signature

> drop column {flags} (columns)

Parameters

  • columns: starting from the end, the number of columns to remove

Input/output types:

input output
record record
table table

Examples

Remove the last column of a table

> [[lib, extension]; [rsh-lib, rs] [rsh-core, rb]] | drop column
╭───┬─────────╮
 # │   lib   │
├───┼─────────┤
 0  rsh-lib  
 1  rsh-core 
╰───┴─────────╯

Remove the last column of a record

> {lib: rsh-lib, extension: rs} | drop column
╭─────┬────────╮
 lib  rsh-lib 
╰─────┴────────╯