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Audit env(1)

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1) Shorten synopsis and reflect this in the manual
2) Use argv0 in usage()
3) Decrement argc in argv-loop for consistency
4) Make it clearer which error-code results from which errno in enprintf
5) Use idiomatic for-loop also for environ. Don't increment these pointers
   in the loop itself!
This commit is contained in:
FRIGN
2015-03-02 14:50:43 +01:00
parent 933ed8c00b
commit 27656a0cbc
3 changed files with 14 additions and 14 deletions
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16
env.1
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@@ -1,4 +1,4 @@
.Dd January 24, 2015
.Dd March 1, 2015
.Dt ENV 1
.Os sbase
.Sh NAME
@@ -7,15 +7,15 @@
.Sh SYNOPSIS
.Nm
.Op Fl i
.Oo Fl u Ar variable Oc ...
.Oo Ar variable Ns = Ns Ar value Oc ...
.Oo Fl u Ar var Oc ...
.Oo Ar var Ns = Ns Ar value Oc ...
.Oo Ar cmd Oo arg ... Oc Oc
.Sh DESCRIPTION
.Nm
unsets each
.Ar variable ,
.Ar var ,
then adds or sets each
.Ar ( variable , value )
.Ar ( var , value )
tuple in the environment.
.Pp
If
@@ -28,11 +28,11 @@ otherwise, the modified environment is printed to stdout.
Completely ignore the existing environment and execute
.Ar cmd
only with each
.Ar ( variable , value )
.Ar ( var , value )
tuple specified.
.It Fl u Ar variable
.It Fl u Ar var
Unset
.Ar variable
.Ar var
in the environment.
.El
.Sh SEE ALSO