On Wed, 20 Jun 2012 01:02:01 Jason Grout wrote:
> Around line 296 in SAGE_ROOT/spkg/bin/sage, there seems to be a check to
> see if we should make the DOT_SAGE directory in the sage_setup()
> funciton. The check is:
>
> if [ ! -d "$IPYTHON_DIR" ]; then
> mkdir -p "$DOT_SAGE"
> fi
>
> Why are we checking to see if IPYTHON_DIR is defined in order to see if
> we should create DOT_SAGE??
>
Let's put it in context:
cd "$SAGE_LOCAL/bin"
IPYTHONDIR="$DOT_SAGE/ipython" && export IPYTHONDIR
IPYTHONRC="ipythonrc" && export IPYTHONRC
if [ ! -d "$IPYTHONDIR" ]; then
mkdir -p "$DOT_SAGE"
cp -r "$SAGE_ROOT/ipython" "$DOT_SAGE/"
fi
I'd say considering the whole thing it may have been
mkdir -p "$IPYTHONDIR"
at one time which would create $DOT_SAGE as a side effect. Of course the
"cp -r ...."
takes care of the subsequent IPYTHONDIR. I'd say someone tried to be too
clever.
Francois
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