Search Results

Ok, I found a similar way
sed '1i\
> your text goes here' test.cpp > testfile.txt


thank you everyone!:b:

I have a test.cpp with a "1" on the first line. I want to copy this respective file to other file with additional lines in line 12..

---------- Post updated at 05:31 AM ---------- Previous update was at 05:30 AM ----------



still does not update the output.txt .. it consist only "1" even after I removed the old output.txt

Hi all,

I have a file called "text.cpp" with the first line of "1"
afterwards I tried in Ubuntu to type the following

sed '12iasdasdasdasdsad' test.cpp > output.txt

however when I tried to...

Hi all,

I have the script :
top -n 1 | awk '{ if (NR==4) print $5 }'

It will return me with one memory usage : for instance
3134720k

However, I need to be returned only the number :...

Hi all,

I executed this script
top -n 1 | awk '{ if (NR==3) print $2 }'and it will give me in console
'31.6%us,'however, if I put the same script in txt file
top -n 1 | awk '{ if (NR==3) print...

yes. sorry my mistake. ok i did it :
df -k | grep -v used | awk '{ print $6 "\t" }'

shows me empty lines..

Hi all,

I need to run df, and parse the value under column of "Mounted on"

For instance, my df is

Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda1 ...

Hi all,,

I have this script
ctr=$(( 1/1000 ))
while [ 1 ]
do
echo $ctr >> test.txt
doneHowever, it puts 0 instead of 0.001

How can I put 0.001 in the text file?

Thank you

Hi,

I have this script,

while [ 1 ]
do
ps ax|grep 5060 > log.txt
echo " "
sleep 1
done
}

I want to actually put a new line everytime the...

Hi I am new in shell,

I am trying to create a small script that can do exit if a script is executed when argument not 2
#!/bin/sh
if [ $# -gt 2]; then
echo greater
exit 1;...

Thank you all. How do I mark this thread as solved?

Hi all,

I am new in linux script, and I have the code below

#!/bin/bash
CMD="shuf -i 1-5 -n 1"
$CMD
echo $CMD
exit 0
if I run the $CMD, it will return me a shuffle value. However, I...