Okay, this probably sounds dumb for anyone who knows the answer, but I'm completely lost. I have to use the head command to search a directory AND all of its subdirectories to display the first line of all .txt files. I know how to do this: head -1 ~/UnixCourse/*.txt, but that does not search the... (4 Replies)
Hi All,
How can the head command be used to extract only a particular line.
By default head -n filename displays the first n lines. I want only the nth line.
I couldn't get it from forum search.
Thanks,
Sumesh (6 Replies)
I am trying to do a head on a mainframe file and on doing ti just gives me a blank screen with nothing on it.
however, when i do a tail for the same file...i get a few lines on the screen.
i know tht mainframe files have all the records on one line...does this have to do something with this.... (10 Replies)
Hi, I have the following problem. I have files with one column of data (let's say file1.dat, file2.dat...file6.dat), and I would like to record the first value of the column of each file into another file (let's name it fileall.dat), which would have the the six values, one in each column. I use to... (4 Replies)
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
I've been stuck on this problem for 2 days now
What command would you enter to list the first lines of all text... (11 Replies)
Hi,
I need some advise on whether there is a better way of doing what I am currently planning to do. Perhaps I should be using arrays instead of re-directing output to files?
I need to use a tool/program named ADRCI provided by Oracle to remove trace files that it generates. Honestly it is... (1 Reply)
Hi All,
I am trying to select 30 days older files under current directory ,but not from subdirectory using below command.
find <Dir> -type f -mtime + 30
This command selecting all the files from current directory and also from sub directory .
I read some documention through internet ,... (1 Reply)
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
Write a script that allows the user to print the first n lines or the last n lines of every file in the... (18 Replies)
we have a file as below
AREA,COUNTRY,RANK
A,MX,1
A,MX,2
A,MX,5
A,MX,8
A,IN,7
A,IN,5
A,IN,21
B,CN,6
B,CN,2
B,CN,8
B,CN,0
we need the TOP 2 RANK records for the combination of Area, Country as below. i know head -2, which gives top 2 records from file but not sure it lists based on... (7 Replies)
Discussion started by: JSKOBS
7 Replies
LEARN ABOUT CENTOS
struct_cfg80211_beacon_data
STRUCT CFG80211_BEAC(9) Actions and configuration STRUCT CFG80211_BEAC(9)NAME
struct_cfg80211_beacon_data - beacon data
SYNOPSIS
struct cfg80211_beacon_data {
const u8 * head;
const u8 * tail;
const u8 * beacon_ies;
const u8 * proberesp_ies;
const u8 * assocresp_ies;
const u8 * probe_resp;
size_t head_len;
size_t tail_len;
size_t beacon_ies_len;
size_t proberesp_ies_len;
size_t assocresp_ies_len;
size_t probe_resp_len;
};
MEMBERS
head
head portion of beacon (before TIM IE) or NULL if not changed
tail
tail portion of beacon (after TIM IE) or NULL if not changed
beacon_ies
extra information element(s) to add into Beacon frames or NULL
proberesp_ies
extra information element(s) to add into Probe Response frames or NULL
assocresp_ies
extra information element(s) to add into (Re)Association Response frames or NULL
probe_resp
probe response template (AP mode only)
head_len
length of head
tail_len
length of tail
beacon_ies_len
length of beacon_ies in octets
proberesp_ies_len
length of proberesp_ies in octets
assocresp_ies_len
length of assocresp_ies in octets
probe_resp_len
length of probe response template (probe_resp)
AUTHOR
Johannes Berg <johannes@sipsolutions.net>
Author.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 STRUCT CFG80211_BEAC(9)