如何刪除單行txt文件的行尾符號(使用sed/awk)? [英]How to delete end-of-line sign (using sed/awk) of a single-line txt file?
如何刪除php中的單行注釋(例如“//刪除此注釋”)? [英]How to remove single line comments in php (eg “// remove this comment”)?