does head create new file Post: 302353286

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

head command wont work on MF file

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....

2. UNIX for Dummies Questions & Answers

how to save to file as head rows_numbers big_file

hi all, Please help me to write. How to create the file by getting numbers of rows from orginal file. I tried the following one, doesn't work. head 50000 file1 >> file1_1 head: cannot open `50000' for reading: No such file or directory Thank you

3. Shell Programming and Scripting

printing first n lines in a file without using head

i have to print first n lines of a file. how can i do that without using head command. for some reason i do not want to use Head. is there a way to get that result using awk or sed?. i an using this on korn shell for AIX Thanks..

4. Programming

which head file define '_IO_*'

Under Solaris 10,I compile following file, #include <sys/types.h> #include <sys/stat.h> #include <sys/termios.h> #include <sys/ioctl.h> #include <stdio.h> #include <stdlib.h> #include <stddef.h> #include <string.h> #include <unistd.h> #include <signal.h> #define _IO_UNBUFFERED __SNBF...

5. Shell Programming and Scripting

head command with more than one file

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...

6. Shell Programming and Scripting

Add one text line in the head of the file

hello, how can I add one text line string at the line number one of a file. thankx,

7. Shell Programming and Scripting

Help awking a 'head -1 file.txt' input

Hi there, my ksh script collects a procstack trace for a particular pid and then greps it by a transaction id to find out the pthread ID: ---------- tid# 1876087 (pthread ID: 4466) ---------- So the pthread ID I want is 4466 in this case, and it is assighed to the variable $pthread....

8. Shell Programming and Scripting

appending the count of line in each file at head of each file

hello everybody, I have some files in directory.each file contain some data. my requirement is add the count of each line of file in head of each file. any advice !!!!!!!!

9. Shell Programming and Scripting

How can i get the head of file while using awk?

Hi All, I'm a newbie here, I'm just wondering how can i get the head of my file while using awk? input data: nik1,nik2,nik3 nik2,nik3,nik4 nik3,nik4,nik5 expected output is: nik1 because it is in the top and it is in the first delimeted. i tried awk -F "," '{print $1}' but i...

10. UNIX for Dummies Questions & Answers

Rsync whole folder and head of each file

Hello, I am trying to backup the whole folder which contains years of data and huge size, some files are > 10GB. I want keep the exact organization of the folder, except that for bigger file only part of it (say head -50, or simply only the name of the file) will be kept. Then the structure of the...

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)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

head command wont work on MF file

Discussion started by: alfredo123

2. UNIX for Dummies Questions & Answers

how to save to file as head rows_numbers big_file

Discussion started by: mr_bold

3. Shell Programming and Scripting

printing first n lines in a file without using head

Discussion started by: dareman123

4. Programming

which head file define '_IO_*'

Discussion started by: konvalo