Where is the executing? I try executing ctags in M-x compile, it work. emacs 24.5.1 ctags 5.8 ------------------ 原始邮件 ------------------ 发件人: "Roopa Mukherjee";; 发送时间: 2015年12月9日(星期三) 下午3:37 收件人: "22132"<22132@debbugs.gnu.org>; 主题: bug#22132: ctags problem Hi team, I am getting following error when I execute "ctags -R":- mukherjee17@sc-003[/opt/soe/projects/sr_4k_10_1_x/mukherjee17/sr1] >ctags -R /opt/tools/unsupported/bin/ctags: no input files specified. Try `/opt/tools/unsupported/bin/ctags --help' for a complete list of options. mukherjee17@sc-003[/opt/soe/projects/sr_4k_10_1_x/mukherjee17/sr1] > Request you to please guide me to resolve this. Regards, Roopa Mukherjee