fix egrep performance

2016-11-18 20:14:08 +08:00 · 2016-11-18 20:14:08 +08:00 · a3c0c7546d
parent 44483dba21
commit a3c0c7546d
1 changed files with 1 additions and 3 deletions
--- a/acme.sh
+++ b/acme.sh
@ -349,10 +349,8 @@ _sed_i() {
 }

 _egrep_o() {
-  if _contains "$(egrep -o 2>&1)" "egrep: illegal option -- o"; then
+  if ! egrep -o "$1" 2>/dev/null; then
    sed -n 's/.*\('"$1"'\).*/\1/p'
-  else
-    egrep -o "$1"
  fi
 }