remove columns from a file
utility removes selected columns
from the lines of a file. A column is defined as a single character in a line.
Input is read from the standard input. Output is written to the standard
If only the start
column is specified, columns
numbered less than the start
column will be
written. If both start
columns are specified, columns numbered
less than the start
column or greater than
column will be written. Column
numbering starts with one, not zero.
Tab characters increment the column count to the next multiple of eight.
Backspace characters decrement the column count by one.
environment variables affect the
as described in
utility exits 0 on success,
and >0 if an error occurs.
utility first appeared in
wrote the original version of
in November 1974.