Hello,
can someone please explain me what the following commands do.. i know the output but i would like to understand the break down of what they do step by step.
The sed command and sort and uniq:
sed will look for string like :hh.mmm and replace with nothing and its o/p is sorted and then count on the uniq values
Help understand awk command
This command converts the column values to rows.
Command:
awk -s1=" " '{S=S?S OFS s1 $0 s1:s1 $0 s1} END{print S}' OFS=, Input_file
Example:
1
2
3
is converted to:
1, 2, 3
Can anyone please help me understand this command?
Please use code tags when... (1 Reply)
Hi Gurus,
I am new for Unix scripting. below command in one existing script. I am not able to fully understand. please help
in below command, I am not able to understand what's {P=1} do
thanks in advance
awk 'NF==1{$3=$1;$1=L}P&&NF>=3{print $1,$3;L=$1}/^___/{P=1}' FILE (3 Replies)
cat teledir.txt
jai sharma 25853670
chanchal singhvi 9831545629
anil aggarwal 9830263298
shyam saksena 23217847
lalit chowdury 26688726
If i use the below command , it is giving me the output with "," in between two name. how ? and also i would like to know the reason for the space used in... (1 Reply)
I am learning SED and just following the shell scripting book, i have trouble understanding the grep and sed statement,
Question : 1
__________
/opt/oracle/work/antony>cat teledir.txt
jai sharma 25853670
chanchal singhvi 9831545629
anil aggarwal 9830263298
shyam saksena 23217847
lalit... (7 Replies)
Hi
i am in learning phase of unix.
i was going through exec in a unix book. below is the command
exec n>file
exec n>>file
however when i used the exec command like below , where ex is the file name
exec 2>>exand then do ls -lrt then again when i do the ls -lrt to see the size of the file... (3 Replies)
I have taken putty session of a server from two separate machines namely HOST1(3 sessions) and HOST2(1 Session) .
However w command says there are 5 users
Confused over the output any clue will be appreciated.
# w
09:29:36 up 34 days, 15:48, 5 users, load average: 0.62, 4.33, 8.16
USER ... (3 Replies)
Hey forum,
I have a problem with a script what used to work, but suddenly is not working anymore. I have been trying different things for an hour now and I give up :D .
#!/bin/sh
asukoht=`pwd`
template=$1
for values in... (4 Replies)
Can someone help me understand why
sed '/host/ s/$/QQQ/g' junk
is taking the file 'junk' which is this:
host Example_1
filename-"gfnwd.cfg";
hardware-ethernet-00:13:11:fd:7a:88;
fixed-address-10.10.6.19;
}
host Example_2
filename-"gfnwd_280.cfg";... (2 Replies)
Hi,
I am trying to find the max memory utilization of a binary file using chatr command.
i gave chatr <file name>. But no where i could see the max memory usage of the file. How do you i check the memory usage of this binary file.
Upto my knowledge it should be 1.75GB in HP-UX. But the does... (1 Reply)