bash if set variable
if [ -z ${var+x} ]; then echo "var is unset"; else echo "var is set to '$var'"; fibash if set variable
if [ -z ${var+x} ]; then echo "var is unset"; else echo "var is set to '$var'"; fibash if set variable
if [ -z "$var" ]; then echo "var is blank"; else echo "var is set to '$var'"; fiCopyright © 2021 Codeinu
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