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must let $PLAN9 be overrided in 9 and 9.rc

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rsc 2005-01-14 05:42:53 +00:00
parent 67075c3634
commit 3a9ee63519
3 changed files with 13 additions and 5 deletions
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8
bin/9
View file

@ -1,7 +1,13 @@
#!/bin/sh #!/bin/sh
export PLAN9=/usr/local/plan9 export PLAN9=${PLAN9:-/usr/local/plan9}
case "$PATH" in
$PLAN9/bin:*)
;;
*)
export PATH=$PLAN9/bin:$PATH export PATH=$PLAN9/bin:$PATH
;;
esac
case $# in case $# in
[1-9]*) [1-9]*)

1
bin/9.rc
View file

@ -1,5 +1,6 @@
#!/usr/local/plan9/bin/rc #!/usr/local/plan9/bin/rc
if(~ $#PLAN9 0)
PLAN9=/usr/local/plan9 PLAN9=/usr/local/plan9
if(! ~ $path(1) $PLAN9/bin) if(! ~ $path(1) $PLAN9/bin)
path=($PLAN9/bin $path) path=($PLAN9/bin $path)

5
man/man1/9.1
View file

@ -41,6 +41,7 @@ is a shell script that sets up a Plan 9 environment and runs
.I cmd . .I cmd .
It sets It sets
.B $PLAN9 .B $PLAN9
if necessary
and adds and adds
.B $PLAN9/bin .B $PLAN9/bin
to the beginning of to the beginning of
@ -50,7 +51,7 @@ before running
.PP .PP
If run with no arguments, If run with no arguments,
.B 9 .B 9
does not do anything. This is so that it can be invoked from does not do anything, so it can be invoked from
.IR sh -style .IR sh -style
shells using shells using
.B . .B .
@ -60,7 +61,7 @@ in order to make the current shell start running in the Plan 9 environment.
.I 9.rc .I 9.rc
is the same as is the same as
.I 9 .I 9
but written for the shell but written for use by the shell
.IR rc (1). .IR rc (1).
.SH EXAMPLES .SH EXAMPLES
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