On 25 August 2008 at 01:43, Stephen Gran wrote:
| This one time, at band camp, Dirk Eddelbuettel said:
| >
| > This is the same as the one I just answered for r-base-core-ra as
| > r-base-core-ra is an extension/specialisation of r-base-core.
| >
| > So again:
| >
| > # test functionality of the compiler
| > javac_works='not present'
| > if test -n "$JAVAC"; then
| > javac_works='not functional'
| > rm -rf /tmp/A.java /tmp/A.class
| > echo "public class A { }" > /tmp/A.java
| > if test -e /tmp/A.java; then
| > if "${JAVAC}" /tmp/A.java >/dev/null; then
| > if test -e /tmp/A.class; then
| > javac_works=yes
| > fi
| > fi
| > fi
| > rm -rf /tmp/A.java /tmp/A.class
| > fi
| >
| >
| > rm just before file creation should prevent any symlink attack vectors, no?
|
| No.
Allright, so what is a better way? Use of tempfile(1) or mktemp(1) ?
Dirk
| --
| -----------------------------------------------------------------
| | ,''`. Stephen Gran |
| | : :' : [EMAIL PROTECTED] |
| | `. `' Debian user, admin, and developer |
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