backup-files: Remember the list of files

Remember the results of the find command, to avoid having to run it
again later. We use a temporary file rather than a local variable,
because you can't store binary zeroes in a bash string, and because
the temporary file approach performs better on large file sets.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Raphael Hertzog <hertzog@debian.org>

1 files changed, 0 insertions, 23 deletions

diff --git a/configure b/configure
index 6b10970..305cb7c 100755
--- a/configure
+++ b/configure
@@ -4021,29 +4021,6 @@ $as_echo "$as_me: error: Please specify the location of xargs with the option '-
 
 
 
-{ $as_echo "$as_me:$LINENO: checking whether $XARGS -r works" >&5
-$as_echo_n "checking whether $XARGS -r works... " >&6; }
-if echo | $XARGS -r echo >/dev/null 2>&1; then
-	{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-	{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-	{ { $as_echo "$as_me:$LINENO: error:
-Sorry, you have a version of xargs which doesn't understand -r.
-$PACKAGE_NAME needs it.  If you have access to a version of xargs which
-does understand -r, you can supply its path with the
-'--with-xargs=' option.
-" >&5
-$as_echo "$as_me: error:
-Sorry, you have a version of xargs which doesn't understand -r.
-$PACKAGE_NAME needs it.  If you have access to a version of xargs which
-does understand -r, you can supply its path with the
-'--with-xargs=' option.
-" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
 { $as_echo "$as_me:$LINENO: checking whether $XARGS -0 works" >&5
 $as_echo_n "checking whether $XARGS -0 works... " >&6; }
 if echo | $XARGS -0 echo >/dev/null 2>&1; then