Wildcards when do ls in Linux
| Wild card /Shorthand | Meaning | Examples | |
| * | Matches any string or group of characters. | $ ls * | will show all files |
| $ ls a* | will show all files whose first name is starting with letter ‘a’ | ||
| $ ls *.c | will show all files having extension .c | ||
| $ ls ut*.c | will show all files having extension .c but file name must begin with ‘ut’. | ||
| ? | Matches any single character. | $ ls ? | will show all files whose names are 1 character long |
| $ ls fo? | will show all files whose names are 3 character long and file name begin with fo | ||
| […] | Matches any one of the enclosed characters | $ ls [abc]* | will show all files beginning with letters a,b,c |
Note:
[..-..] A pair of characters separated by a minus sign denotes a range.
Example:
$ ls /bin/[a-c]*
Will show all files name beginning with letter a,b or c like
/bin/arch /bin/awk /bin/bsh /bin/chmod /bin/cp
/bin/ash /bin/basename /bin/cat /bin/chown /bin/cpio
/bin/ash.static /bin/bash /bin/chgrp /bin/consolechars /bin/csh
But
$ ls /bin/[!a-o]
$ ls /bin/[^a-o]
If the first character following the [ is a ! or a ^ ,then any character not enclosed is matched i.e. do not show us file name that beginning with a,b,c,e…o, like
/bin/ps /bin/rvi /bin/sleep /bin/touch /bin/view
/bin/pwd /bin/rview /bin/sort /bin/true /bin/wcomp
/bin/red /bin/sayHello /bin/stty /bin/umount /bin/xconf
/bin/remadmin /bin/sed /bin/su /bin/uname /bin/ypdomainname
/bin/rm /bin/setserial /bin/sync /bin/userconf /bin/zcat
/bin/rmdir /bin/sfxload /bin/tar /bin/usleep
/bin/rpm /bin/sh /bin/tcsh /bin/vi
转载请注明：在路上 » Wildcards when do ls in Linux