Can linux cat command be used for writing text to file

Question

Is something like this   cat  Some text here    gt  myfile txt   Possible  Such that the contents of myfile txt would now be overwritten to   Some text here    This doesn t work for me  but also doesn t throw any errors   Specifically interested in a cat-based solution  not vim vi emacs  etc    All examples online show cat used in conjunction with file inputs  not raw text

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cat can also be used following a   to write to a file  i e  pipe feeds cat a stream of data

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cat  gt  filename txt   enter the text until EOF for save the text use   ctrl d  if you want to read that  txt file use   cat filename txt   and one thing  txt is not mandatory  its for your reference

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Write multi-line text with environment variables using echo   echo -e   Home Directory   HOME  n hello world 1  n hello world 2  n line n     n    gt  file txt

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I use the following code to write raw text to files  to update my CPU-settings  Hope this helps out  Script       bin sh  cat  gt   sys devices system cpu cpu0 cpufreq scaling governor  lt  lt EOF performance EOF  cat  gt   sys devices system cpu cpu1 cpufreq scaling governor  lt  lt EOF performance EOF   This writes the text  performance  to the two files mentioned in the script above  This example overwrite old data in files   This code is saved as a file  cpu update sh  and to make it executable run    chmod  x cpu update sh   After that  you can run the script with     cpu update sh   IF you do not want to overwrite the old data in the file  switch out  cat  gt   sys devices system cpu cpu1 cpufreq scaling governor  lt  lt EOF   with  cat  gt  gt   sys devices system cpu cpu1 cpufreq scaling governor  lt  lt EOF   This will append your text to the end of the file without removing what other data already is in the file

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Sounds like you re looking for a Here document  cat  gt  outfile txt  lt  lt EOF  gt some text  gt to save  gt EOF

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Another way to write text to file using cat would be something like this  cat  gt file txt  lt  lt  lt  Write something here

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You can do it like this too   user host    cat lt  lt EOF  gt  file txt    gt  1 line    gt  other line    gt  n line    gt  EOF user host        I believe there is a lot of ways to use it

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The Solution to your problem is        echo    Some Text Goes Here     filename txt    But you can use cat command if you want to redirect the output of a file to some other file or if you want to append the output of a file to another file    cat filename   newfile  -- To redirect output of filename to newfile  cat filename    newfile -- To append the output of filename to newfile

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For text file   cat  gt  output txt  lt  lt EOF some text some lines EOF   For PHP file   cat  gt  test php  lt  lt PHP  lt  php echo  Test   echo   var    gt  PHP

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Here s another way -  cat  gt  outfile txt  gt Enter text  gt to save press ctrl-d

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simply pipeline echo with cat   For example  echo write something to file txt   cat  gt  file txt

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That s what echo does   echo  Some text here    gt  myfile txt

[linux] Can linux cat command be used for writing text to file?

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