node js remove file

Question

How do I delete a file with node js   http   nodejs org api fs html fs fs rename oldpath newpath callback  I don t see a remove command

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2020 Answer With the release of node v14 14 0 you can now do  fs rmSync  quot path to file quot         force  true       https   nodejs org api fs html fs fs rmsync path options

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As the accepted answer  use fs unlink to delete files  But according to Node js documentation  Using fs stat   to check for the existence of a file before calling fs open    fs readFile   or fs writeFile   is not recommended  Instead  user code should open read write the file directly and handle the error raised if the file is not available  To check if a file exists without manipulating it afterwards  fs access   is recommended   to check files can be deleted or not  Use fs access instead fs access   etc passwd   fs constants R OK   fs constants W OK   err    gt      console log err    no access      can read write

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It s very easy with fs   var fs   require  fs    try   var sourceUrls     sampleFolder sampleFile txt    fs unlinkSync sourceUrls    catch err    console log err

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Remove files from the directory that matched regexp for filename  Used only fs unlink - to remove file  fs readdir - to get all files from a directory  var fs   require  fs    const path     path to files filename anyextension     const removeFile    fileName    gt        fs unlink    path   fileName    function error            if  error                throw error                    console log  Deleted filename   fileName             const reg      a-zA-Z    0-9    s 2-4        fs readdir path  function err  items        for  var i 0  i lt items length  i              console log items i        reg test items i            if  reg test items i                 console log items i              removeFile items i

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Here below my code which works fine            const fs   require  fs             fs unlink   dirname    test txt   function  err                              if  err                                                                       console error err                                                                                                                              console log  File has been Deleted

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Simple and sync if  fs existsSync pathToFile       fs unlinkSync pathToFile

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You may use fs unlink path  callback  function  Here is an example of the function wrapper with  error-back  pattern    x000D   x000D     Dependencies  x000D  const fs   require  fs    x000D   x000D     Delete a file  x000D  const deleteFile    filePath  callback    gt    x000D       Unlink the file  x000D    fs unlink filePath   error    gt    x000D      if   error    x000D        callback false   x000D        else   x000D        callback  Error deleting the file    x000D        x000D       x000D     x000D   x000D   x000D

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fs unlinkSync   if you want to remove files synchronously and fs unlink   if you want to remove it asynchronously   Here you can find a good article

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2019 and Node 10  is here  Below the version using sweet async await way   Now no need to wrap fs unlink into Promises nor to use additional packages  like fs-extra  anymore   Just use native fs Promises API   const fs   require  fs   promises    async      gt      try       await fs unlink    any file        catch  e           file doesn t exist  no permissions  etc          full list of possible errors is here         http   man7 org linux man-pages man2 unlink 2 html ERRORS     console log e               Here is fsPromises unlink spec from Node docs   Also please note that fs promises API marked as experimental in Node 10 x x  but works totally fine  though   and no longer experimental since 11 14 0

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You can call fs unlink path  callback  for Asynchronous unlink 2  or fs unlinkSync path  for Synchronous unlink 2   Where path is file-path which you want to remove      For example we want to remove discovery docx file from c  book directory  So my file-path is c  book discovery docx  So code for removing that file will be      var fs   require  fs    var filePath    c  book discovery docx    fs unlinkSync filePath

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Use NPM module fs-extra  which gives you everything in fs  plus everything is Promisified   As a bonus  there s a fs remove   method available

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you can use del module to remove one or more files in the current directory  what s nice about it is that protects you against deleting the current working directory and above   const del   require  del    del    lt your pathere here gt       then   paths  any    gt       console log  Deleted files and folders  n   paths join   n

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fs-extra provides a remove method   const fs   require  fs-extra    fs remove   tmp myfile    then      gt      console log  success        catch err   gt      console error err       https   github com jprichardson node-fs-extra blob master docs remove md

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I think you want to use fs unlink   More info on fs can be found here

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If you want to check file before delete whether it exist or not  So  use fs stat or fs statSync  Synchronous  instead of fs exists  Because according to the latest node js documentation  fs exists now deprecated   For example -   fs stat    server upload my csv   function  err  stats       console log stats    here we got all information of file in stats variable     if  err           return console error err            fs unlink    server upload my csv  function err           if err  return console log err           console log  file deleted successfully

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Here is a small snippet of I made for this purpose   var fs   require  fs    var gutil   require  gulp-util     fs exists    www index html   function exists      if exists          Show in green     console log gutil colors green  File exists  Deleting now             fs unlink    www index html        else         Show in red     console log gutil colors red  File not found  so not deleting

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Here the code where you can delete file image from folder    var fs   require  fs     Gallery findById    id  req params id  function err data        if  err  throw err      fs unlink  public gallery   data image name

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I don t think you have to check if file exists or not  fs unlink will check it for you   fs unlink  fileToBeRemoved   function err        if err  amp  amp  err code     ENOENT                file doens t exist         console info  File doesn t exist  won t remove it           else if  err               other errors  e g  maybe we don t have enough permission         console error  Error occurred while trying to remove file          else           console info  removed

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Just rm -rf it require  quot fs quot   rmSync file or directory path existing or not   recursive  true  force  true       Added in Node js 14 14 0   with require  quot fs quot   rmSync or require  quot fs quot   rm

[node.js] node.js remove file

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