関連ワード:  bash if string compare case insensitive    bash if string contains case insensitive    bash if string equals case insensitive    shell if string equals case insensitive    bash if variable equals string case insensitive    bash if string case insensitive    bash check if string contains substring case insensitive    bash check string case insensitive    bash check if variable contains string case insensitive    bash compare case insensitive  
結果 : bash if string compare case insensitive