One more thing.
I am a beginner in regular expression stuff. I tried to use ^ character to list the file names starting with 1.
It doesn't seem to work. Following is what I've tried
Something like this?
This User Gave Thanks to Franklin52 For This Post:
I'm having trouble with the following commands
i. count the number of lines which end in a 4 letter word
grep '{4\}$' bfile <<seems to print out everything
abc abc abcd
joe joe john
bob bill
gregory greg
greg gregory
the grep command prints out the lines with 4 letter words and the... (3 Replies)
Hi All,
Reference to my previous post
I need to compare all the lines in the file1 with file2
for this condition if file1 {$3,$5} ==file2 {$3,$5} then grep file2{$1}latest date.
need output in file3
10/04/2008
09/04/2008
09/04/2008
08/04/2008
can anyone suggest me
Thanks... (0 Replies)
I need your's help to display user with greep command form /etc/passwd
1. to display all login to begin and finishing with letter a or b
etc.users
admina
bserb
broota
2. beginning and finishing with the same sign
etc. users
aghata:....
roootr:....3. to contain what the least three... (1 Reply)
Hi,
I need to know the difference between this commands:
grep * *search*
grep "*" *search*
As far as i know does the 2nd command search for files which have a name with *search* and greps then all which have chars from a-z in the file content.
But was does the first command??
Best... (1 Reply)
Hey im new in this...anything will be helpful...
The user will input the word or phrase .... I want to search the user input in file (by lines) but not all then with this line search on another file ( with the specific line) and show to the user.
Example:
file1.txt
=======
a
aa
aaa... (2 Replies)
I have these grep commands and need to put them next each other (in horizontal layout).
cat /tmp/dsmc.out |grep Done
cat /tmp/dsmc.out |grep "Elapsed processing time:"
cat /tmp/dsmc.out |grep "Client date/time:"
cat /tmp/dsmc.out |grep "Total number of bytes transferred:"
so that it... (6 Replies)
Hi all,
I have two separate commands which I would like to join. Basically, I want to match a line and insert a character at the end of the previous line to the matched line
Here is what I have gotgrep -B1 '^>'
sed 's/$/*/'
Any help is much appreciated thanks (5 Replies)
I have a text file that has multiple lines in it with multiple dates and years. I was trying to figure out the best way to remove the line that had 2010 and 2011 to an archive file. We only need to keep the 2012 and 2013 lines in the original file. The following is a sample line in the txt file:... (2 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:
Use the less command to view the words file.
To see the results of a grep that returns many rows, pipe the... (3 Replies)
Hi everyone,
I have a question, please help me.
awk -F: '$3<75' /etc/passwd
grep -ir nashorn ./ | grep "^*\.java"
what do these commands do ? Thanks (2 Replies)
Discussion started by: burak171
2 Replies
LEARN ABOUT CENTOS
vasprintf
ASPRINTF(3) Linux Programmer's Manual ASPRINTF(3)NAME
asprintf, vasprintf - print to allocated string
SYNOPSIS
#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <stdio.h>
int asprintf(char **strp, const char *fmt, ...);
int vasprintf(char **strp, const char *fmt, va_list ap);
DESCRIPTION
The functions asprintf() and vasprintf() are analogs of sprintf(3) and vsprintf(3), except that they allocate a string large enough to hold
the output including the terminating null byte ('