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How to copy the contents of all files with a certain name into a new file?
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What I want to do is search for all the files whose name meet a certain requirement (starts with 's', followed by either a '1' or a '2' and end with 'sh') and then copy the contents of all those files into a new file, (name ending with .txt).
So far, what I think it should look like is this:
cat / "s[1-2]*sh" >> /home/admin/Desktop/myFile.txt
But it does not work, reporting
cat: /: Is a directory
I'm completely out of ideas. I'm running ubuntu 18.04.1
linux
edited Apr 13 at 18:59
ctrl-alt-delor
12.5k52662
asked Apr 13 at 17:36
EleuisEleuis
133
New contributor
Eleuis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
What I want to do is search for all the files whose name meet a certain requirement (starts with 's', followed by either a '1' or a '2' and end with 'sh') and then copy the contents of all those files into a new file, (name ending with .txt).
So far, what I think it should look like is this:
cat / "s[1-2]*sh" >> /home/admin/Desktop/myFile.txt
But it does not work, reporting
cat: /: Is a directory
I'm completely out of ideas. I'm running ubuntu 18.04.1
linux
edited Apr 13 at 18:59
ctrl-alt-delor
12.5k52662
asked Apr 13 at 17:36
EleuisEleuis
133
New contributor
Eleuis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
All files everywhere or all files in a certain directory?
– Jesse_b
Apr 13 at 17:58
All files everywhere
– Eleuis
Apr 13 at 18:00
add a comment |
What I want to do is search for all the files whose name meet a certain requirement (starts with 's', followed by either a '1' or a '2' and end with 'sh') and then copy the contents of all those files into a new file, (name ending with .txt).
So far, what I think it should look like is this:
cat / "s[1-2]*sh" >> /home/admin/Desktop/myFile.txt
But it does not work, reporting
cat: /: Is a directory
I'm completely out of ideas. I'm running ubuntu 18.04.1
linux
edited Apr 13 at 18:59
ctrl-alt-delor
12.5k52662
asked Apr 13 at 17:36
EleuisEleuis
133
New contributor
Eleuis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
What I want to do is search for all the files whose name meet a certain requirement (starts with 's', followed by either a '1' or a '2' and end with 'sh') and then copy the contents of all those files into a new file, (name ending with .txt).
So far, what I think it should look like is this:
cat / "s[1-2]*sh" >> /home/admin/Desktop/myFile.txt
But it does not work, reporting
cat: /: Is a directory
I'm completely out of ideas. I'm running ubuntu 18.04.1
linux
linux
edited Apr 13 at 18:59
ctrl-alt-delor
12.5k52662
asked Apr 13 at 17:36
EleuisEleuis
133
New contributor
Eleuis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited Apr 13 at 18:59
ctrl-alt-delor
12.5k52662
asked Apr 13 at 17:36
EleuisEleuis
133
New contributor
Eleuis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited Apr 13 at 18:59
ctrl-alt-delor
12.5k52662
edited Apr 13 at 18:59
ctrl-alt-delor
12.5k52662
edited Apr 13 at 18:59
ctrl-alt-delor
12.5k52662
12.5k52662
asked Apr 13 at 17:36
EleuisEleuis
133
New contributor
Eleuis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked Apr 13 at 17:36
EleuisEleuis
133
asked Apr 13 at 17:36
EleuisEleuis
133
133
New contributor
Eleuis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Eleuis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Eleuis is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
All files everywhere or all files in a certain directory?
– Jesse_b
Apr 13 at 17:58
All files everywhere
– Eleuis
Apr 13 at 18:00
add a comment |
All files everywhere or all files in a certain directory?
– Jesse_b
Apr 13 at 17:58
All files everywhere
– Eleuis
Apr 13 at 18:00
All files everywhere or all files in a certain directory?
– Jesse_b
Apr 13 at 17:58
All files everywhere or all files in a certain directory?
– Jesse_b
Apr 13 at 17:58
All files everywhere
– Eleuis
Apr 13 at 18:00
All files everywhere
– Eleuis
Apr 13 at 18:00
add a comment |
1 Answer
1
active
oldest
votes
To concatenate the files in your current directory:
cat s[12]*sh > /home/admin/Desktop/myFile.txt
To find and concatenate the files in your current directory and subdirectories:
find . -name "s[12]*sh" -exec cat '' > /home/admin/Desktop/myFile.txt ;
To find and concatenate the files everywhere:
find / -name "s[12]*sh" -exec cat '' > /home/admin/Desktop/myFile.txt ;
answered Apr 13 at 18:00
FreddyFreddy
1,939210
3
note thatfind -exec cat > out.txt ;is exactly equivalent tofind -exec cat ; > out.txtas the shell processes the redirection beforefindruns, and it applies to the wholefindprocess. So you might as well put the;before the redirection for clarity. Also, you can use-exec cat +to havefindpass more than one file name to eachcatinvocation. The effect is the same, but it can be faster for large numbers of files.
– ilkkachu
Apr 13 at 18:07
It works perfectly, thank you
– Eleuis
Apr 13 at 18:08
1
To accept an answer click the ✓
– ctrl-alt-delor
Apr 13 at 18:31
1
-exec cat +would be more efficient as it would callcatas few times as possible.
– Kusalananda♦
Apr 13 at 19:26
add a comment |
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1 Answer
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oldest
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1 Answer
1
active
oldest
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active
oldest
votes
active
oldest
votes
To concatenate the files in your current directory:
cat s[12]*sh > /home/admin/Desktop/myFile.txt
To find and concatenate the files in your current directory and subdirectories:
find . -name "s[12]*sh" -exec cat '' > /home/admin/Desktop/myFile.txt ;
To find and concatenate the files everywhere:
find / -name "s[12]*sh" -exec cat '' > /home/admin/Desktop/myFile.txt ;
answered Apr 13 at 18:00
FreddyFreddy
1,939210
3
note thatfind -exec cat > out.txt ;is exactly equivalent tofind -exec cat ; > out.txtas the shell processes the redirection beforefindruns, and it applies to the wholefindprocess. So you might as well put the;before the redirection for clarity. Also, you can use-exec cat +to havefindpass more than one file name to eachcatinvocation. The effect is the same, but it can be faster for large numbers of files.
– ilkkachu
Apr 13 at 18:07
It works perfectly, thank you
– Eleuis
Apr 13 at 18:08
1
To accept an answer click the ✓
– ctrl-alt-delor
Apr 13 at 18:31
1
-exec cat +would be more efficient as it would callcatas few times as possible.
– Kusalananda♦
Apr 13 at 19:26
add a comment |
To concatenate the files in your current directory:
cat s[12]*sh > /home/admin/Desktop/myFile.txt
To find and concatenate the files in your current directory and subdirectories:
find . -name "s[12]*sh" -exec cat '' > /home/admin/Desktop/myFile.txt ;
To find and concatenate the files everywhere:
find / -name "s[12]*sh" -exec cat '' > /home/admin/Desktop/myFile.txt ;
answered Apr 13 at 18:00
FreddyFreddy
1,939210
3
note thatfind -exec cat > out.txt ;is exactly equivalent tofind -exec cat ; > out.txtas the shell processes the redirection beforefindruns, and it applies to the wholefindprocess. So you might as well put the;before the redirection for clarity. Also, you can use-exec cat +to havefindpass more than one file name to eachcatinvocation. The effect is the same, but it can be faster for large numbers of files.
– ilkkachu
Apr 13 at 18:07
It works perfectly, thank you
– Eleuis
Apr 13 at 18:08
1
To accept an answer click the ✓
– ctrl-alt-delor
Apr 13 at 18:31
1
-exec cat +would be more efficient as it would callcatas few times as possible.
– Kusalananda♦
Apr 13 at 19:26
add a comment |
To concatenate the files in your current directory:
cat s[12]*sh > /home/admin/Desktop/myFile.txt
To find and concatenate the files in your current directory and subdirectories:
find . -name "s[12]*sh" -exec cat '' > /home/admin/Desktop/myFile.txt ;
To find and concatenate the files everywhere:
find / -name "s[12]*sh" -exec cat '' > /home/admin/Desktop/myFile.txt ;
answered Apr 13 at 18:00
FreddyFreddy
1,939210
To concatenate the files in your current directory:
cat s[12]*sh > /home/admin/Desktop/myFile.txt
To find and concatenate the files in your current directory and subdirectories:
find . -name "s[12]*sh" -exec cat '' > /home/admin/Desktop/myFile.txt ;
To find and concatenate the files everywhere:
find / -name "s[12]*sh" -exec cat '' > /home/admin/Desktop/myFile.txt ;
answered Apr 13 at 18:00
FreddyFreddy
1,939210
answered Apr 13 at 18:00
FreddyFreddy
1,939210
answered Apr 13 at 18:00
FreddyFreddy
1,939210
answered Apr 13 at 18:00
FreddyFreddy
1,939210
1,939210
3
note thatfind -exec cat > out.txt ;is exactly equivalent tofind -exec cat ; > out.txtas the shell processes the redirection beforefindruns, and it applies to the wholefindprocess. So you might as well put the;before the redirection for clarity. Also, you can use-exec cat +to havefindpass more than one file name to eachcatinvocation. The effect is the same, but it can be faster for large numbers of files.
– ilkkachu
Apr 13 at 18:07
It works perfectly, thank you
– Eleuis
Apr 13 at 18:08
1
To accept an answer click the ✓
– ctrl-alt-delor
Apr 13 at 18:31
1
-exec cat +would be more efficient as it would callcatas few times as possible.
– Kusalananda♦
Apr 13 at 19:26
add a comment |
3
note thatfind -exec cat > out.txt ;is exactly equivalent tofind -exec cat ; > out.txtas the shell processes the redirection beforefindruns, and it applies to the wholefindprocess. So you might as well put the;before the redirection for clarity. Also, you can use-exec cat +to havefindpass more than one file name to eachcatinvocation. The effect is the same, but it can be faster for large numbers of files.
– ilkkachu
Apr 13 at 18:07
It works perfectly, thank you
– Eleuis
Apr 13 at 18:08
1
To accept an answer click the ✓
– ctrl-alt-delor
Apr 13 at 18:31
1
-exec cat +would be more efficient as it would callcatas few times as possible.
– Kusalananda♦
Apr 13 at 19:26
3
3
note that
find -exec cat > out.txt ; is exactly equivalent to find -exec cat ; > out.txt as the shell processes the redirection before find runs, and it applies to the whole find process. So you might as well put the ; before the redirection for clarity. Also, you can use -exec cat + to have find pass more than one file name to each cat invocation. The effect is the same, but it can be faster for large numbers of files.– ilkkachu
Apr 13 at 18:07
note that
find -exec cat > out.txt ; is exactly equivalent to find -exec cat ; > out.txt as the shell processes the redirection before find runs, and it applies to the whole find process. So you might as well put the ; before the redirection for clarity. Also, you can use -exec cat + to have find pass more than one file name to each cat invocation. The effect is the same, but it can be faster for large numbers of files.– ilkkachu
Apr 13 at 18:07
It works perfectly, thank you
– Eleuis
Apr 13 at 18:08
It works perfectly, thank you
– Eleuis
Apr 13 at 18:08
1
1
To accept an answer click the ✓
– ctrl-alt-delor
Apr 13 at 18:31
To accept an answer click the ✓
– ctrl-alt-delor
Apr 13 at 18:31
1
1
-exec cat + would be more efficient as it would call cat as few times as possible.– Kusalananda♦
Apr 13 at 19:26
-exec cat + would be more efficient as it would call cat as few times as possible.– Kusalananda♦
Apr 13 at 19:26
add a comment |
Eleuis is a new contributor. Be nice, and check out our Code of Conduct.
Eleuis is a new contributor. Be nice, and check out our Code of Conduct.
Eleuis is a new contributor. Be nice, and check out our Code of Conduct.
Eleuis is a new contributor. Be nice, and check out our Code of Conduct.
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All files everywhere or all files in a certain directory?
– Jesse_b
Apr 13 at 17:58
All files everywhere
– Eleuis
Apr 13 at 18:00