文件通配符中如何匹配零个或多个字符？

1 [root@centos7 ~]# cd/data

2 [root@centos7 data]# ls

3 [rootacentos7 data]# touch f{a..z}.txt

4 [root@centos7 data]# ls

5 fq.txt fs.txt fa.txt fc.txt fe.txt fg.txt fi.txt fk.txt f1.txt fn.txt fm.txt fp.txt fo.txt fr.txt ft.txt fu.txt fv.txt fx.txt fw.txt fy.txt fz.txt fb.txt fd.txt ff.txt fh.txt fj.txt

6 [root@centos7 data]# touch f{a..z}.conf

7 [root@centos7 data]#ls

8 fa.conf fc.txt ff.conf fh.txt fk.conf fm.txt fp.txt fp.conf fr.txt fs.conf fu.txt fu.conf fw.txt fx.conf fz.txt fz.conf fa.txt fd.conf ff.txt fi.conf fk.txt fn.txt fn.conf fs.txt fx.txt fb.txt fb.conf fc.conf fe.txt fd.txt fe.conf fg.txt fg.conf fh.conf fi.txt fi.txt fj.conf f1.txt fm.conf f1.conf fo.txt fo.conf fq.txt fr.conf fq.conf ft.txt ft.conf fv.txt fw.conf fv.conf fy.txt fy.conf

9 [root@centos7 data]# ls *.conf

10 fa.conf fd.conf fg.conf fj.conf fm.conf fp.conf fs.conf fv.conf fy.conf fb.conf fe.conf fh.conf fk.conf fn.conf fq.conf ft.conf fx.conf fw.conf fz.conf fc.conf ff.conf fi.conf f1.conf fo.conf fr.conf fu.conf

11 [root@centos7 data]# ls f*.txt

12 fa.txt fc.txt fe.txtfq.txt fi.txt f1.txt fk.txt fm.txt fo.txt fq.txt fs.txt fu.txt fw.txt fy.txt fz.txt fb.txt fd.txt ff.txt fh.txt fi.txt fn.txt fp.txt fr.txt ft.txtfv.txt fx.txt

13 [root@centos7 data]# ls h

14 fh.conf fh.txt