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-rw-r--r--src/scripts/xzless.in11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/scripts/xzless.in b/src/scripts/xzless.in
index 79a849e2..93a415d7 100644
--- a/src/scripts/xzless.in
+++ b/src/scripts/xzless.in
@@ -47,13 +47,20 @@ if test "${LESSMETACHARS+set}" != set; then
LESSMETACHARS="$space$tab$nl'"';*?"()<>[|&^`#\$%=~'
fi
-if test "$(less -V | { read _ ver _ && echo ${ver%%.*}; })" -ge 429; then
+VER=$(less -V | { read _ ver _ && echo ${ver%%.*}; })
+if test "$VER" -ge 429; then
# less 429 or later: LESSOPEN pipe will be used on
# standard input if $LESSOPEN begins with |-.
LESSOPEN="|-$xz -cdfqQ -- %s"
else
LESSOPEN="|$xz -cdfqQ -- %s"
fi
+
+SHOW_PREPROC_ERRORS=
+if test "$VER" -ge 632; then
+ SHOW_PREPROC_ERRORS=--show-preproc-errors
+fi
+
export LESSMETACHARS LESSOPEN
-exec less "$@"
+exec less $SHOW_PREPROC_ERRORS "$@"