easy5 pts · first answer countslinuxbash

Checking that a file exists

A script must stop if /etc/app/config.yml is missing. Which test is right?

A.if [ -z /etc/app/config.yml ]; then exit 1; fiB.if [ -n /etc/app/config.yml ]; then exit 1; fiC.if [ -x /etc/app/config.yml ]; then exit 1; fiD.if [ ! -f /etc/app/config.yml ]; then exit 1; fi

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Checking that a file exists

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