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function in shell script returning 0 only

Vast Vulture answered on July 19, 2021 Popularity 2/10 Helpfulness 1/10

answer function in shell script returning 0 only

function in shell script returning 0 only

Comment

lockdir="somedir"
testlock(){
    retval=""
    if mkdir "$lockdir"
    then # Directory did not exist, but it was created successfully
         echo >&2 "successfully acquired lock: $lockdir"
         retval="true"
    else
         echo >&2 "cannot acquire lock, giving up on $lockdir"
         retval="false"
    fi
    echo "$retval"
}

retval=$( testlock )
if [ "$retval" == "true" ]
then
     echo "directory not created"
else
     echo "directory already created"
fi

Popularity 2/10 Helpfulness 1/10 Language shell

Source: stackoverflow.com

Tags: function script shell

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