sbase

suckless unix tools
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env.1 (871B)


      1 .Dd 2015-10-08
      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.