le.c

[Peter da Silva]

le is an extended ls, designed to please all the people who want to get
weird info on a file. It dumps reliable info in reliable positions, for
example it won't stick the major/minor device #s in the file size feild
of the output. Let me see about the options...


Without any flags it outputs the same info as ls...

	Usage: le [-A|-N] [-diMmlUuGgrsatc] [-Ttab] [-Hh] [-D] [file]...

	-d	Toggle 'dev' flag.
	-i	Toggle 'inode' flag.
	-m	Toggle 'mode' flag.
	-M	Toggle 'short mode' (octal mode) flag.
	-l	Toggle 'links' flag.
	-u	Toggle 'user' flag.
	-U	Toggle 'short user' (userid) flag.
	-g	Toggle 'group' flag.
	-G	Toggle 'short group' (groupid) flag.
	-r	Toggle 'rdev' flag.
	-s	Toggle 'size' flag.
	-a	Toggle 'atime' flag.
	-t	Toggle 'mtime' flag.
	-c	Toggle 'ctime' flag.
	-h	Toggle header.
	-H	Force output of the header.
	-N	(No) Clear all flags.
	-A	(All) Set all flags.
	-D	Dont list directories (like ls -d).
	-Ttab	Use the string 'tab' to seperate feilds instead of space.

	The flags can be included in any order but having any of
[dimMluUgGrsatc] before [AN] is kind of useless, and having [Hh]
before [dimMluUgGrsatc] can be misleading. You can intersperse
options with files if you want to list different directories
differently. I don't see any reason to do this but I also see no
good reason to prevent this (no, I don't use getopt).

As an example: here is 'ls -al' compared with 'le'

Note that feild 7 varies between a time and a year, and that 4 varies
between a size and a device #... while this is more useful for humans
it's kind of hard on awk... le isn't a replacement for 'ls', just for
ls in shell scripts so you can keep awk and relatives happy.

% ls -al /dev
total 4
c-w--w--w- 2 root      5,  0 Aug 21 13:46 aux1
c-w--w--w- 2 root      5,  1 May 20 09:50 aux2
crw--w--w- 1 root      0,  8 Aug 20 13:52 console
...
crw-rw-rw- 1 root      1, 23 Aug 18  1982 hsix7
crw------- 1 root      2,  1 Aug 20 13:52 kmem
-rw-rw-r-- 1 root       1635 Jul 11 17:39 lp
c-w--w--w- 2 root      5,  0 Aug 21 13:46 lp1
c-w--w--w- 2 root      5,  1 May 20 09:50 lp2
...
crw--w--w- 1 root      0, 15 Jul 23 15:38 tty7
% le /dev
drwxr-xr-x   2 root        928  11 Jul 85 16:40  /dev/.
drwxr-xr-x  11 root        368  20 Aug 85 13:52  /dev/..
c-w--w--w-   2 root          0  21 Aug 85 13:46  /dev/aux1
c-w--w--w-   2 root          0  20 May 85  9:50  /dev/aux2
crw--w--w-   1 root          0  20 Aug 85 13:52  /dev/console
...
crw-rw-rw-   1 root          0  18 Aug 82 11:11  /dev/hsix7
crw-------   1 root          0  20 Aug 85 13:52  /dev/kmem
-rw-rw-r--   1 root       1635  11 Jul 85 17:39  /dev/lp
c-w--w--w-   2 root          0  21 Aug 85 13:46  /dev/lp1
c-w--w--w-   2 root          0  20 May 85  9:50  /dev/lp2
...
crw--w--w-   1 root          0  23 Jul 85 15:38  /dev/tty7

There is a problem: le expands control characters to '^X', which may cause
problems in some cases... le -N is thus not exactly the equivalent of ls -A.
This code can be easily changed if this proves a problem. Don't ask me why
/dev/lp is a regular file, I didn't create it... :-> Time to go do some sa-type
stuff.
-- 
	Peter (Made in Australia) da Silva
		UUCP: ...!shell!neuro1!{hyd-ptd,baylor,datafac}!peter
		MCI: PDASILVA; CIS: 70216,1076