Hi,
I saw your post..
I have a dought in awk command...
how to get the output from a file. i need a first column in etc/passwd file in a single column (in indivijual line)...
i couldn't get with this command
Code:
cat /etc/passwd | awk -F ":" '{printf $1}'
Kindly help
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Last edited by Don Cragun; 02-11-2014 at 01:32 PM..
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hi everybody
i would to select the last field of a file
here as you can see i select the field number 8
y=`cat sortie2 | grep "^"| grep "starting"| awk '{ print $8}'`
but line can containt more or less field in never know, i just know is the last one
so i wondering to know if is... (3 Replies)
Hi Everyone,
I am facing a problem regarding the select from sybase, the return with the incorrect size.
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After i selected from sybase, the result is nicky.
after i assign it to another declaration variable, it will be in actual name "nicky" , what i need... (10 Replies)
For a field format such as AAL1001_MD82, how do I select(and use in if statement) only the last four elements( in this case MD82) or the first three elements (in this case AAL)?
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Hi, all
I need to get fields in a line that are separated by commas, some of the fields are enclosed with double quotes, and they are supposed to be treated as a single field even if there are commas inside the quotes.
sample input:
for this line, 5 fields are supposed to be extracted, they... (8 Replies)
First, thanks for the help in previous posts... couldn't have gotten where I am now without it!
So here is what I have, I use AWK to match $1 and $2 as 1 string in file1 to $1 and $2 as 1 string in file2. Now I'm wondering if I can extend this AWK command to incorporate the following:
If $1... (4 Replies)
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select field1, field2, field3, count(*) from table
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group by field1, field2, field3
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Hi Team,
I have a requirement to login into URL using username and password , then I have to select a "particular name" from drop-down menu and then Read the values user records etc.... using perl.
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Hello
I have a large file1 which has many events like "2014010420" and following lines under each event that start with text . It has this form:
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EFA num num --- num ...
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I am trying to output a tab-delimited result that uses the data from a tab-delimited file to combine and subtract specific lines.
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Discussion started by: cmccabe
3 Replies
LEARN ABOUT NETBSD
pthread_setname_np
PTHREAD_GETNAME_NP(3) BSD Library Functions Manual PTHREAD_GETNAME_NP(3)NAME
pthread_getname_np -- get and set descriptive name of a thread
LIBRARY
POSIX Threads Library (libpthread, -lpthread)
SYNOPSIS
#include <pthread.h>
int
pthread_getname_np(pthread_t thread, char *name, size_t len);
int
pthread_setname_np(pthread_t thread, const char *name, void *arg);
DESCRIPTION
The pthread_getname_np() function obtains the descriptive name of a thread. It takes the following arguments:
thread The thread whose descriptive name will be obtained.
name The buffer to be filled with the descriptive name of the thread.
len The size of the buffer name in bytes.
The pthread_setname_np() function sets the descriptive name of a thread. It takes the following arguments:
thread The thread whose descriptive name will be set.
name The printf(3) format string to be used to construct the descriptive name of the thread. The resulted descriptive name should
be shorter than PTHREAD_MAX_NAMELEN_NP.
arg The printf(3) argument used with name.
RETURN VALUES
Both functions return 0 on success. Otherwise, an error number is returned to indicate the error.
COMPATIBILITY
Both functions are non-standard extensions.
ERRORS
Both functions may fail if:
[EINVAL] Invalid parameter.
[ESRCH] Non-existent thread.
The pthread_setname_np() function may also fail if:
[ENOMEM] There was insufficient memory for the operation.
SEE ALSO pthread_attr_get_np(3), pthread_attr_getname_np(3)BSD July 9, 2010 BSD