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I have a bunch of *.rpm files in a directory and want to append each iteration from my for loop to a new line in a file. How do I do it? The problem is that with the current output, all the output is written to the first line leaving the other lines blank. I want the output of what i run in each file to be output in a new line in "x.txt".

Here is what I have:

for i in *;do
    rpm --queryformat "%{NAME} %{VERSION} %{RELEASE} %{SourceRPM}  %{Summary} %{Group} %{URL} %{ARCH}" -qp  "$i"   ;
done  >> x.txt

Can someone help?

I am a bit surprised that rpm does not add newlines. You can just add one manually, though.

Example without newlines:

$ rm -f a.txt ; for i in 1 2 3; do echo -n $i ; done >> a.txt
$ cat a.txt

Example with newlines:

$ rm -f a.txt ; for i in 1 2 3; do echo -n $i ; echo ; done >> a.txt
$ cat a.txt

How to append a newline to a file in Python, Use file. write() append a newline to a file​​ write(data) with data as "\n" to append a newline to file . Then, call file. write(data) with data as a string with an end-line break to write data on a new line. AppendLine () Appends the default line terminator to the end of the current StringBuilder object. AppendLine (String) Appends a copy of the specified string followed by the default line terminator to the end of the current StringBuilder object.

Based on information you posted in your question, you just have to add an empty echo instruction at the end of each iteration. This action adds a new line at the end of the output produced by each iteration, as @smoe tried to explain with a simplified example.

Adapting it to the posted code in your question:

for i in *;do
    rpm --queryformat "%{NAME} %{VERSION} %{RELEASE} %{SourceRPM}  %{Summary} %{Group} %{URL} %{ARCH}" -qp  "$i"   ;
    echo ;
done  >> x.txt

Does echo command automatically add a new line character to the , In this article, we will discuss how to append text or new lines to an existing file using python. To append some text to a file in the end, we first  There are several ways to append a new line but most of them are platform dependent that means they work on one platform but not for other (for example appending “\r ” would give new line on Windows but for Unix we need to append “\n”).

You should just append newline by yourself.

The correct answer is this:

rpm -qa --qf "%{NAME}\n" > app.list

How to append text or lines to a file in python? –, I would like to append text to a file. So I wrote in bash echo text >> file.conf. However it doesn't leave a new line. So I can only do this once. How do I add a new  The above example is fine, but as you can see the data was not written to a new line. Example PowerShell to append text to a file on to a new line. To append content on to a new line you need to use the escape character followed by the letter “n”: So to continue the example above you could use: Add-Content C:\temp\test.txt "`nThis is a new line"

echo text with new line in bash, There are following two ways to append a new Line to a StringBuilder object: 1) StringBuilder.append("n"); 2) Append data to a file as a new line in Python Open the file in append mode (‘a’). Write cursor points to the end of file. Append ‘ ’ at the end of the file using write () function Append the given line to the file using write () function. Close the file

How to append a newline to StringBuilder, When we append the content to a StringBuffer object, the content gets appended to the end of sequence without any spaces and line breaks. For example: Summary: Create new lines with Windows PowerShell. How can I use Windows PowerShell to add a new line between lines for my text output? Use the `n character, for example: PS C:\> "string with new line `n in it" string with new line. in it. Note If you need a carriage return, use `r. For a carriage return and a new line, use `r`n.

Java - How to append a newline to StringBuffer, How to add lines to existing file using python? In order to append a new line your existing file, you need to open the file in append mode , by setting "a" or "ab"​  This answer would not cover a variety of diferrent cases, Howerver, if you would like to add new line between two daynamic values within a whole string, i just typed the enter key and it worked for me.

  • Are you getting error messages for the other files? You're only writing stdout to the file, not stderr.
  • Hello,I do not understand. What should I change in my code?
  • @airzinger1 He's suggesting that you add an echo command after the rpm command, to add a newline
  • The point of this answer is, you can add the extra instruction echo for every iteration. This implicitly add a newline to the output.