/usr.bin/colrm/colrm.1
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- .\" @(#)colrm.1 8.1 (Berkeley) 6/6/93
- .\" $FreeBSD$
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- .Dd August 4, 2004
- .Dt COLRM 1
- .Os
- .Sh NAME
- .Nm colrm
- .Nd remove columns from a file
- .Sh SYNOPSIS
- .Nm
- .Op Ar start Op Ar stop
- .Sh DESCRIPTION
- The
- .Nm
- 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 output.
- .Pp
- If only the
- .Ar start
- column is specified, columns numbered less than the
- .Ar start
- column will be written.
- If both
- .Ar start
- and
- .Ar stop
- columns are specified, columns numbered less than the
- .Ar start
- column
- or greater than the
- .Ar stop
- column will be written.
- Column numbering starts with one, not zero.
- .Pp
- Tab characters increment the column count to the next multiple of eight.
- Backspace characters decrement the column count by one.
- .Sh ENVIRONMENT
- The
- .Ev LANG , LC_ALL
- and
- .Ev LC_CTYPE
- environment variables affect the execution of
- .Nm
- as described in
- .Xr environ 7 .
- .Sh EXIT STATUS
- .Ex -std
- .Sh SEE ALSO
- .Xr awk 1 ,
- .Xr column 1 ,
- .Xr cut 1 ,
- .Xr paste 1
- .Sh HISTORY
- The
- .Nm
- command appeared in
- .Bx 3.0 .