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	env.1 - sbase - suckless unix tools
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	env.1 (876B)
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	1 .Dd October 8, 2015
	2 .Dt ENV 1
	3 .Os sbase
	4 .Sh NAME
	5 .Nm env
	6 .Nd modify the environment, then print it or run a command
	7 .Sh SYNOPSIS
	8 .Nm
	9 .Op Fl i
	10 .Oo Fl u Ar var Oc ...
	11 .Oo Ar var Ns = Ns Ar value Oc ...
	12 .Oo Ar cmd Oo arg ... Oc Oc
	13 .Sh DESCRIPTION
	14 .Nm
	15 unsets each
	16 .Ar var ,
	17 then adds or sets each
	18 .Ar ( var , value )
	19 tuple in the environment.
	20 .Pp
	21 If
	22 .Ar cmd
	23 is given, it is executed in this new environment;
	24 otherwise, the modified environment is printed to stdout.
	25 .Sh OPTIONS
	26 .Bl -tag -width Ds
	27 .It Fl i
	28 Completely ignore the existing environment and execute
	29 .Ar cmd
	30 only with each
	31 .Ar ( var , value )
	32 tuple specified.
	33 .It Fl u Ar var
	34 Unset
	35 .Ar var
	36 in the environment.
	37 .El
	38 .Sh SEE ALSO
	39 .Xr printenv 1 ,
	40 .Xr putenv 3 ,
	41 .Xr environ 7
	42 .Sh STANDARDS
	43 The
	44 .Nm
	45 utility is compliant with the
	46 .St -p1003.1-2013
	47 specification.
	48 .Pp
	49 The
	50 .Op Fl u
	51 flag is an extension to that specification.