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fish: Suggest safer form of eval.

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eval "$(guestfish --listen)"

instead of various other forms.

(Thanks Eric Blake).
This commit is contained in:
Richard W.M. Jones
2010-11-05 15:07:11 +00:00
parent 633ae13c80
commit be728962ff
1 changed files with 4 additions and 4 deletions
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8
fish/guestfish.pod
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@@ -140,7 +140,7 @@ To list what is available do:
=head2 Remote control
eval `guestfish --listen`
eval "`guestfish --listen`"
guestfish --remote add-ro disk.img
guestfish --remote run
guestfish --remote lvs
@@ -730,7 +730,7 @@ up a guestfish process each time.
Start a guestfish server process using:
eval `guestfish --listen`
eval "`guestfish --listen`"
and then send it commands by doing:
@@ -750,9 +750,9 @@ The C<eval> statement sets the environment variable C<$GUESTFISH_PID>,
which is how the I<--remote> option knows where to send the commands.
You can have several guestfish listener processes running using:
eval `guestfish --listen`
eval "`guestfish --listen`"
pid1=$GUESTFISH_PID
eval `guestfish --listen`
eval "`guestfish --listen`"
pid2=$GUESTFISH_PID
...
guestfish --remote=$pid1 cmd