	Show All 17 Lines
	.\" IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY			.\" IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
	.\" SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES			.\" SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER			.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
	.\" IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,			.\" IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
	.\" ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF			.\" ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
	.\" THIS SOFTWARE.			.\" THIS SOFTWARE.
	.\"			.\"
	.\" $FreeBSD$			.\" $FreeBSD$
	.Dd $Mdocdate: September 14 2015 $			.Dd $Mdocdate: June 6 2020 $
	.Dt AWK 1			.Dt AWK 1
	.Os			.Os
	.Sh NAME			.Sh NAME
	.Nm awk			.Nm awk
	.Nd pattern-directed scanning and processing language			.Nd pattern-directed scanning and processing language
	.Sh SYNOPSIS			.Sh SYNOPSIS
	.Nm awk			.Nm awk
	.Op Fl safe			.Op Fl safe
	.Op Fl V			.Op Fl version
	.Op Fl d Ns Op Ar n			.Op Fl d Ns Op Ar n
	.Op Fl F Ar fs			.Op Fl F Ar fs
	.Op Fl v Ar var Ns = Ns Ar value			.Op Fl v Ar var Ns = Ns Ar value
	.Op Ar prog \| Fl f Ar progfile			.Op Ar prog \| Fl f Ar progfile
	.Ar			.Ar
	.Sh DESCRIPTION			.Sh DESCRIPTION
	.Nm			.Nm
	scans each input			scans each input
	▲ Show 20 Lines • Show All 52 Lines • ▼ Show 20 Lines
	.Pf ( Va ENVIRON ;			.Pf ( Va ENVIRON ;
	see the section on variables below).			see the section on variables below).
	This is a first			This is a first
	.Pq and not very reliable			.Pq and not very reliable
	approximation to a			approximation to a
	.Dq safe			.Dq safe
	version of			version of
	.Nm .			.Nm .
	.It Fl V			.It Fl version
	Print the version number of			Print the version number of
	.Nm			.Nm
	to standard output and exit.			to standard output and exit.
	.It Fl v Ar var Ns = Ns Ar value			.It Fl v Ar var Ns = Ns Ar value
	Assign			Assign
	.Ar value			.Ar value
	to variable			to variable
	.Ar var			.Ar var
	▲ Show 20 Lines • Show All 147 Lines • ▼ Show 20 Lines
	Expressions take on string or numeric values as appropriate,			Expressions take on string or numeric values as appropriate,
	and are built using the operators			and are built using the operators
	.Ic + \- * / % ^			.Ic + \- * / % ^
	.Pq exponentiation ,			.Pq exponentiation ,
	and concatenation			and concatenation
	.Pq indicated by whitespace .			.Pq indicated by whitespace .
	The operators			The operators
	.Ic \&! ++ \-\- += \-= *= /= %= ^=			.Ic \&! ++ \-\- += \-= *= /= %= ^=
	.Ic > >= < <= == != ?:			.Ic > >= < <= == != ?\&:
	are also available in expressions.			are also available in expressions.
	Variables may be scalars, array elements			Variables may be scalars, array elements
	(denoted			(denoted
	.Li x[i] )			.Li x[i] )
	or fields.			or fields.
	Variables are initialized to the null string.			Variables are initialized to the null string.
	Array subscripts may be any string,			Array subscripts may be any string,
	not necessarily numeric;			not necessarily numeric;
	▲ Show 20 Lines • Show All 470 Lines • ▼ Show 20 Lines
	.Bd -literal -offset indent			.Bd -literal -offset indent
	{ print "error!" > "/dev/stderr" }			{ print "error!" > "/dev/stderr" }
	.Ed			.Ed
	.Sh SEE ALSO			.Sh SEE ALSO
	.Xr cut 1 ,			.Xr cut 1 ,
	.Xr lex 1 ,			.Xr lex 1 ,
	.Xr printf 1 ,			.Xr printf 1 ,
	.Xr sed 1 ,			.Xr sed 1 ,
	.Xr re_format 7 ,			.Xr re_format 7
	.Xr script 7
	.Rs			.Rs
	.%A A. V. Aho			.%A A. V. Aho
	.%A B. W. Kernighan			.%A B. W. Kernighan
	.%A P. J. Weinberger			.%A P. J. Weinberger
	.%T The AWK Programming Language			.%T The AWK Programming Language
	.%I Addison-Wesley			.%I Addison-Wesley
	.%D 1988			.%D 1988
	.%O ISBN 0-201-07981-X			.%O ISBN 0-201-07981-X
	.Re			.Re
	.Sh STANDARDS			.Sh STANDARDS
	The			The
	.Nm			.Nm
	utility is compliant with the			utility is compliant with the
	.St -p1003.1-2008			.St -p1003.1-2008
	specification,			specification,
	except			except
	.Nm			.Nm
	does not support {n,m} pattern matching.			does not support {n,m} pattern matching.
	.Pp			.Pp
	The flags			The flags
	.Op Fl \&dV			.Fl d ,
				.Fl safe ,
	and			and
	.Op Fl safe ,			.Fl version
	as well as the commands			as well as the commands
	.Cm fflush , compl , and , or ,			.Cm fflush , compl , and , or ,
	.Cm xor , lshift , rshift ,			.Cm xor , lshift , rshift ,
	are extensions to that specification.			are extensions to that specification.
	.Sh HISTORY			.Sh HISTORY
	An			An
	.Nm			.Nm
	utility appeared in			utility appeared in
	Show All 10 Lines

awk.1: use -version instead of -VClosedPublicActions

Details

Diff Detail

Event Timeline

Revision ContentsChangeset List

Diff 73062

head/usr.bin/awk/awk.1

awk.1: use -version instead of -V
ClosedPublic
Actions

Revision Contents
Changeset List