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I need a shell script that should remove the matched pattern .
Can anyone please help me ?
The command is
sed -i -e '/yourpattern/d' your_file
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I was wondering how to delete the first 196 lines of multiple html documents with sed.
The directory structure I have goes as follows:
find /rootdir/ -name index.html -exec sed -i '1,196d' {} \;
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I have a file containing many lines like
"resourcename" : "myfile.pdf",
I want to replace everywhere myfile.pdf with an URL like http://somedomain.com/myfile.pdf. But the file name keeps changing. So if myfile.pdf becomes yourfile.pdf, I want to replace it with http://somedomain.com/yourfile.pdf.
What is an efficient way to do global replacement(/g) without affecting the file's encoding like UTF-8?
Thanks
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How do I reduce the size of a file using tail?
I just need the last 1000 lines of the file. I need the trimmed file name to remain the same.
tail -1000 file.txt
To make a new file
tail -1000 file.txt > newfile.txt
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Consider the following string "google" . I want to split the following string as below using simple bash script. please help me out.
g
o
o
g
l
e
Another solution with fold :
echo "google" | fold -w1
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I have an ip-address stored in a file. I want to use a single-line command to output the ip-address from this file and then ssh log in this remote machine.
How can I get it with pipe.
If you have a file that says
# cat test
192.168.32.205
then just do:
ssh root#$(cat test)