Avoid unneeded use of awk in xzless.

Use "read" instead of "awk" in xzless to get the version
number of "less". The need for awk was introduced in
the commit db5c1817fabf7cbb9e4087b1576eb26f0747338e.

Thanks to Ariel P for the patch.

diff --git a/src/scripts/xzless.in b/src/scripts/xzless.in
index 9bc9706b511f3c9dd159d16400dbb26679bb5829..288dd871e4c48b3f098d9ba066af767c5e697c84 100644 (file)
--- a/src/scripts/xzless.in
+++ b/src/scripts/xzless.in
@@ -46,8 +46,7 @@ if test "${LESSMETACHARS+set}" != set; then
        LESSMETACHARS="$space$tab$nl'"';*?"()<>[|&^`#\$%=~'
 fi
 
-less_ver=$(less -V | awk '/^less ([0-9]+)( \(.*\))?$/ { print $2; exit }')
-if test -n "$less_ver" && test "$less_ver" -ge 429; then
+if test "$(less -V | { read less ver re && echo ${ver}; })" -ge 429; then
        # less 429 or later: LESSOPEN pipe will be used on
        # standard input if $LESSOPEN begins with |-.
        LESSOPEN="|-$xz -cdfq -- %s"