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Avoid unneeded use of awk in xzless.

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Use "read" instead of "awk" in xzless to get the version
number of "less". The need for awk was introduced in
the commit db5c1817fa.

Thanks to Ariel P for the patch.
This commit is contained in:
Lasse Collin 2013-03-05 19:14:50 +02:00
parent 9f62fd9605
commit 211b931cee
1 changed files with 1 additions and 2 deletions
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3
src/scripts/xzless.in
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@ -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"