関連ワード:  shell script first character of string    shell script get first character of string    shell script cut first character of string    linux shell first character of string    bash script get first character of string    shell script check first character string    shell script get first 4 characters of string    shell script get first 3 characters of string    shell script remove first character from string    linux bash get first character of string  
結果 : shell script first character of string