use 'command' built-in command instead of 'which'

2018-01-19 19:00:33 +01:00
parent 5c6afec820
commit a2c3e53856
1 changed files with 4 additions and 7 deletions
@@ -43,19 +43,16 @@ print_help() {
 crit=2
 fcp=0.1

-#check required tools
 check_executable() {
-
    if [ -z "$1" ]; then
        echo "check_executable: no parameter given!"
        exit $ST_UK
    fi

-    if [ -z "$(which $1)" ]; then
+    if ! command -v "$1" &>/dev/null; then
        echo "UNKNOWN: Cannot find $1"
        exit $ST_UK
    fi
-
 }

 check_executable mysql