I am a new user to linux and having trouble completing this task. I want to list a directory of files and folders including the name, human readable size, and last modified date. So far I can get two of the three but not all together. For example:
Using ls -lh gives me
Code:
drwxr-xr-x 3 newuzer newuzer 29 Aug 7 03:26 who am i now?
drwxr-xr-x 2 newuzer newuzer 72 Apr 9 2014 WWW folder name 1
-rw-r--r-- 1 newuzer newuzer 3.3M Aug 1 10:57 Walrus news.epub
-rw-r--r-- 1 newuzer newuzer 699M Aug 17 04:52 wonderful whales.avi
drwxr-xr-x 4 newuzer newuzer 47 Aug 18 05:24 Wyynot2
-rw-r--r-- 1 newuzer newuzer 70M Aug 7 10:27 zylopedia.pdf
drwxr-xr-x 3 newuzer newuzer 21 Jul 7 02:19 zzz folder5
This is showing me the name, date, and file size for files only, the directories are not showing the size properly
Using du -hs * gives me
Code:
1.7G who am i now?
18M WWW folder name 1
3.3M Walrus news.epub
699M wonderful whales.avi
28G Wyynot2
70M zylopedia.pdf
3.1M zzz folder5
The directories are now showing the correct size, the files still have the correct size , but the date/time is missing. I dont really need the permissions so that missing is ok.
How can i get all three name, date/time modified, and size to display? I would like the entries listed as they appear in the directory -files then folders- or with folders/files list in alphabetical order
Any assistance provided would be appreciated.
Thanks
Moderator's Comments:
Please use CODE tags for sample input and output as well as for sample commands. You can use ICODE tags for short in-line text in the middle of a sentence.
Last edited by Don Cragun; 12-21-2014 at 03:56 AM..
Reason: Change existing CODE tags to ICODE tags; add missing CODE tags.
The ls output is showing the size of the files listed (note that a directory is just one type of a file).
The du -hs output is showing the sizes of the blocks allocated to the file and (when the file is a directory) the size of the blocks allocated to the directory added to the sizes of the blocks allocated to all files in the file hierarchy rooted in that directory. Note also that the sizes of files in a file hierarchy reported by du -hs might not be what you expect. If there are hard links to files in a hierarchy, the blocks allocated to each linked file will only be counted once. Therefore, the sum of the sizes reported by:
Code:
du -hs dir1 dir2
might not be the sum of the sizes reported by:
Code:
du -hs dir1;du -hs dir2
And, if there are sparse files, the file size may be huge, but the number of blocks allocated to the file may be tiny.
And note that the size of a directory varies from filesystem type to filesystem type. On some filesystem types, the size of a directory shown by ls will be the size of the directory entries in that directory; in other filesystem types, it will just be the number of directory entries contained in that directory; and in other filesystem types, it might be something else. (On some filesystem types, some directory entries can be stored in the i-node for the directory. This makes the size of the directory zero until enough space is needed by directory entries to overflow the space in the i-node.)
This User Gave Thanks to Don Cragun For This Post:
The paste command lets the two input streams merge.
<(du -hs * ...)
Only first column (correct dir/file size) is used and printed right aligned. <(ls -lh ...)
All columns from (including) column 6 until the end of the line are used (timestamp + file name).
Note I used NR>1 in the awk command to skip the first line, because the first line produced by ls -lh is total 56K (on my system, in the test directory) which is not needed. You may want to remove NR>1 if there is no total line in your output produced by ls -lh.
This User Gave Thanks to junior-helper For This Post:
Aug 7 03:26 who am i now?
Apr 9 2014 WWW folder name 1
Aug 1 10:57 Walrus news.epub
Aug 17 04:52 wonderful whales.avi
Aug 18 05:24 Wyynot2
Aug 7 10:27 zylopedia.pdf
Jul 7 02:19 zzz folder5
So, it partially worked Im just missing the file size column
---------- Post updated at 10:42 AM ---------- Previous update was at 10:33 AM ----------
Also, if i wanted to remove the
Code:
awk
command, is it just that or that plus some of the other characters?
Thanks Junior-Helper this is almost perfect. The only issue is the justification. This information is going to be put into excel and im trying to avoid additional manipulation/trouble with the import if the columns arent aligned.
Right now the output is size column right justified - which is perfect, but the date/time and name columns are there but not justified properly. Im looking for it to have the justification as if the
Code:
ls -lh
command was run. Again, this is because its going into excel and there will be a few thousand entries to correct.
Also, can you direct me to a good source to learn more about how the syntax for different commands should go?
---------- Post updated at 11:40 AM ---------- Previous update was at 11:40 AM ----------
sorry, i didnt see your 6:16pm post before i added mine. I will test the new line in a few minutes and see if its working for me. thanks
---------- Post updated at 11:49 AM ---------- Previous update was at 11:40 AM ----------
just tried
Code:
paste -d' ' <(du -hs *) <(ls -lh)
didnt come out too good. The best way is your previous method. I just need help on the justification part now for the date/time and name columns. - thanks
---------- Post updated at 12:04 PM ---------- Previous update was at 11:49 AM ----------
Junior Helper,
I will post the results from the last two tests in a minute, your code is wkg but off one line. just a heads up so you dont reply before i add the info
---------- Post updated at 12:23 PM ---------- Previous update was at 12:04 PM ----------
the output comes out with all required colums - size, date/time, name justified correctly, except that the size column starts where the Total folder size line begins
Code:
<ls -lh)
resulting in all lines of the output being off one (showing the previous lines actual size).
What should be modified to get this corrected?
The long if line means following: if the field 7 (day of month) is a single digit (field length = 1) OR the field 8 (time) is a year (field length = 4), "space-pad" the particular value (first print the space, then the value + a trailing space), else print it "as is" + add a trailing space.
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12-21-2014
