関連ワード:  how to append string in shell script    how to concatenate string in shell script    how to append string in bash script    how to concatenate string in bash script    how to append string to variable in shell script    how to concatenate two strings in shell script    how to concatenate strings in unix shell scripting    how to add two strings in shell script    how to concatenate variable and string in shell script    how to concatenate two strings in bash script