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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 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"