1
vote
2answers
4k views

How to sort results from ls command by modification date (directories first)?

I can fire ls -lrt to get files and folders sorted by modification date, but this does not separate directories from files. I want ls to show me first directories by modification date and then ...
3
votes
1answer
447 views

Can I unzip and merge sorted text files in a single operation?

I have tens of thousands of gzipped text files, each of which has already been sorted internally. I've written a script to unzip them (creating a copy) and then using sort -m to merge them. It all ...
3
votes
2answers
819 views

Specify the sort order with LC_COLLATE so lowercase is before uppercase

Given the file: $ cat file 1 a C B 2 c 3 A b By default sort will: $ sort file 1 2 3 a A b B c C With LC_COLLATE=C so will sort in uppercase letter before lowercase: $ LC_COLLATE=C sort file 1 ...
0
votes
3answers
372 views

Sorting IP address according to the second field in file

in my ksh script I need to add the following task ( OS - linux/solaris ) I have the following file more test.txt /etc/backup/app 172.1.120 172.110.120 /etc/backup/app 172.1.120.12 ...
1
vote
3answers
733 views

Sort with unequal whitespace in first column

I need to sort this list by name, high temp and low temp: Kuala Lumpur 78 56 Seoul 85 66 Karachi 95 75 Tokyo 85 60 Lahore 85 75 Manila 90 85 I figured since whitespace is the delimiter for a column ...
2
votes
1answer
452 views

How can I list my `at` jobs by date?

I am using atq command, but I need to list my at jobs by date. How is that possible ?
5
votes
1answer
164 views

Alphabetizing names in `ls` alias with .files not intermingled

I am currently using the following ls alias: alias ls='ls -alhGkpsq --color=auto'. This results in following directory listing. [03:35] bryson@brys ~ :$ ls total 48K 4.0K drwx------ 4 bryson 4.0K ...
5
votes
2answers
2k views

What's the default order of linux sort?

For a long period I think the default behavior of sort program is using ASCII. However, when I input the following lines into sort without any arguments: # @ I got: @ # But according to the ...
2
votes
2answers
2k views

Issues of using sort and comm

I was trying to find the intersection of two plain data files, and found from a previous post that it can be done through comm -12 <(sort test1.list) < (sort test2.list) It seems to me that ...
4
votes
2answers
616 views

Sort behaves strangely on case sensitive sorting

Sort is sorting differently than I would expect. I have this file, call it text.txt: a 1 A 1 a 11 (the space is always one \t) I want to sort them alphabetically by the first column. ...