関連ワード:  how to remove space in shell script    how to remove whitespace in shell script    how to trim spaces in shell script    how to remove empty space in shell script    how to remove trailing spaces in shell script    how to remove extra spaces in shell script    how to remove space from string in shell script    how to trim spaces in unix shell script    how to remove leading and trailing spaces in shell script    how to remove blank spaces from string in shell script