Append text behind a certain keyword in filename

add text to end of file name
adding text to filename before extension
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append to all filenames in directory

In directory C:\Users\Scripts, I have files named:


How can I insert the phrase Vendor right after 2A_ for all the filenames in that directory that starts with 2A_, permanently changing the filenames to:


You can try File#rename

Dir["2A_*.txt"].each do |f|
  File.rename(f, f.sub('2A_', '2A_Vendor_'))

Or with path

path = 'your_path_here'
Dir.glob("#{path}/2A_*.txt").each do |f|
  File.rename(f, f.sub('2A_', '2A_Vendor_'))

For Windows you probably need to do with backslashes this this

adding text to filename before extension, Using standard POSIX parameter expansion: for f in *.shp; do printf '%s\n' "${f%. shp}_poly.shp"; done. There is a text file (description.txt) that contains 7 lines. Like this: description1 description2.. description7 I have a text file (helloworld.txt) what I want to append every line with {filename} {filesize} {description} like this: {file1.pdf} {filesize of file1.pdf} {description1} {file2.pdf} {filesize of file2.pdf} {description2}..

You can get a list of the file paths in the directory with Dir.glob:

paths = Dir.glob("C:\Users\Scripts/*.txt")

Then rename using String#sub and or File.rename:

paths.each do |path|
  if path =~ /^2A_/
    new_path = path.sub /^2A_/, "2A_Vendor_"
    File.rename path, new_path

Add text to end of filename (but before extension) using batch file , for longer filenames you will have to add some more ? in the block with the mass of ????????? ren *. So the text after the script should be: Line1: I just want to make clear of the problem Line2: Thanks to all who look into my problem Please help me Line3: How to solve the problem? Line4: Thanks to all. I know sed can append something to certain line but, if I use sed '/Line2/a\Please help me', it will insert a new line after the line. That is

Reworked version using Max's response:

#!/usr/bin/env ruby

require 'rubygems'

paths = Dir.glob("C:\Users\Scripts/*.txt")
paths.each do |path|
  puts "File #{path}"
  if path =~ /2A_/
    puts "Find 2A"
    new_path = path.sub(/2A_/, "2A_Vendor_")
    puts "New file: #{new_path}"
    File.rename path, new_path

sed: insert word or text after match in middle of the line (search and , This can be done using "-i" flag with sed command as shown in below example. Command: # sed -i 's/<is>/& not/' /tmp/filename. IMPORTANTĀ  Powershell Batch Add/Append text to a file name. Ask Question Asked 2 years, PowerShell Script to Find and Replace for all Files with a Specific Extension. 3.

[Solved] How do I rename/append a filename in C#?, There are a few ways to do this, but the simplest is to use Path. GetFileNameWithoutExtension and Path.GetExtension: Hide Copy Code. stringĀ  Append Text from another File. The text than you want to append can come from another text file. You can use the cat command along with the append operator to append the content. bash$ cat myfile.txt >> ./path/filename.txt. You can also use the cat and append operators to merge multiple files as well.

PC Mag, Filenames in Windows 95 can be long and informative, but most users don't clutter each filename with a full You can add keyword-style notes to a group of files at once. And you The text you enter will be added to each selected item's note. Python Overview Python Built-in Functions Python String Methods Python List Methods Python Dictionary Methods Python Tuple Methods Python Set Methods Python File Methods Python Keywords Python Exceptions Python Glossary Module Reference Random Module Requests Module Math Module cMath Module Python How To Remove List Duplicates Reverse a String

Fuzzy Sets and Systems, J"> <FuzzyVariable> <Generation filename="$fuzzy-variable & name+Class"> <insertion place="point append"text="Spoint: appendsetpoint'l<Closer use the teat specified in this tag's name attribute as keyword to search correspondingĀ  You need to use the >> to append text to end of file. It is also useful to redirect and append/add line to end of file on Linux or Unix-like system. How to redirect the output of the command or data to end of file. The procedure is as follows . Append text to end of file using echo command: echo 'text here' >> filename; Append command output to end of file:

  • So I reworked it a bit from Max into what is below: #!/usr/bin/env ruby require 'rubygems' paths = Dir.glob("/home/rmikio/Workspace/rubytest/*.txt") paths.each do |path| puts "File #{path}" if path =~ /2A_/ puts "Find 2A" new_path = path.sub(/2A_/, "2A_Vendor_") puts "New file: #{new_path}" File.rename path, new_path end end
  • There is no need to do if path =~ /2A_/ for each iteration as Dir.glob("#{path}/2A_*.txt") do it for you, so you ll have no need to iterate all the files
  • but probably its enough for you case)