groovy replace text in file

Without further ado, here is the script for your copying and pasting pleasure: I could have made it a bit "fancier", taking command line parameters and what not, but this is just a simple script I solved to have a simple immediate problem I was having. If you are doing pipeline, you can just use groovy-based string manipulations (which aren't OS-specific), e.g. Can you work in physics research with a data science degree? Let's say the message has the below details. Keeping the effort estimation & amount of rework in consideration, weve handled this change through a simple Groovy script where it will replace the IDoc basic type to its latest in runtime instead of replacing the entire IDoc XSD which will remove the entire message mappings & would require to do complete remap. Reddit, Inc. 2023. Are there nice walking/hiking trails around Shibu Onsen in November? To learn more, see our tips on writing great answers. Reading a File in Groovy | Baeldung Try: In the above, the regex \/ matches anything that starts with / (because / is being used as the sed divider, we escape it as \/) followed by [^/]* which matches zero or more of any character except /, followed by .tar.gz where the . If your code is indented, for example in the body of the method of a class, your string will contain the whitespace of the indentation. Making statements based on opinion; back them up with references or personal experience. Seems like withWriter erases the file contents: You might want to do a per line read if the file is too large. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Reading with eachLine Find centralized, trusted content and collaborate around the technologies you use most. How to write String to File by Groovy. how to replace a string/word in a text file in groovy Below is where weve add the Groovy script in our iFlow specific to the requirement. And the Groovy script goes by as follows. Groovy also provides another class dedicated to working with XML. Hi, Thanks heaps for the script. I wonder if any of the characters I'm searching for, or the dollar sign itself, is being interpreted as a special char by the regex engine under the hood. To retain the attributes just modify your little program like this (I've included a sample source to test it): Note that the matching regexp now contains 3 capturing groups: (1) the start tag (including attributes), (2) whatever is the 'old' content of your tag and (3) the end tag. After some frenzied coding i saw the light and did like this, Unfortunately this will not preserve the comments and metadata etc, from the original xml document, so i'll have to find another way. Read and write files with Groovy | Opensource.com Java 7 and Java 8 have similar support for reading files in Java. Sed, however, does not use globs, it uses regular expressions and regular expressions have a different syntax. Live Demo. replace string in a file in groovy example. Find centralized, trusted content and collaborate around the technologies you use most. When it processes line 1 and line 2, the input file will look as below: By this way, if I re-run the Groovy, I would like to start from the line it stopped last time. Not the answer you're looking for? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. I have a text file that has the token " %%#% " located all over the place inside of it. If one wants to replace a character such as '(' in result with a ' ' for example, the following returns the above Exception: def subResult = result.replaceAll('\\(',' ') This is due to the fact that the replaceAll method from Java works only for string types. assert 'foobar'.replace(f:'b', foo:'bar') == 'boobar' assert 'foobar'.replace(foo:'bar', f:'b') == 'barbar' def replacements = [foo:'bar', f:'b', b: 'f', bar:'boo'] assert 'foobar'.replace(replacements) == 'barfar' regular expression in groovy to replace string starting with multiple - character. And with the other method we can use a closure to replace a value found with replaceAll (String, Closure). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I was trying to replace/remove any string between - <branch prefix> /. Syntax void replaceAll(String text, String replace) Parameters text: the string that needs to be replaced. I did some some testing with DOMCategory and it's almost working. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Raw. Can Visa, Mastercard credit/debit cards be used to receive online payments? Groovy Script "replaceALL" in your Agile - SAP Community I've managed to get the script below working but the input file encoding is UTF8 and the output file comes out as "Western (Mac OS Roman)". Why free-market capitalism has became more associated to the right than to the left, to which it originally belonged? rev2023.7.7.43526. Does every Banach space admit a continuous (not necessarily equivalent) strictly convex norm? We don't have to use / as the divider in a sed substitute command. What is the Modified Apollo option for a potential LEO transport? Python zip magic for classes instead of tuples. If a input was used and it failed, that particular line shall not be commented (') so that a retry can be attempted. Asking for help, clarification, or responding to other answers. Best Solution I had to read the file content first, and then write on the file. And the Groovy script goes by as follows, January 15, 2019 at 10:00 AM How to search a string and replace it with a DDP value? Solution 1 The simplest and probably fastest way might be to do a simple file based replace, you can read a file into a List<string> with File.ReadAllLines (). The requirement that we had is, need of change in IDoc basic type to the latest basic type used in ABAP code which sends the data to SAP CI. Groovy Script to Find and Replace Text : David R. Heffelfinger Reddit and its partners use cookies and similar technologies to provide you with a better experience. One can add the script just 1 step before the message mapping or so as per the requirement. First we can pass a Pattern instead of a String argument with replaceAll (Pattern, String). You could also use Groovy's slashy string, which helps reduce the clutter of Java's escape character \ requirements. I tried the below regex, but it's not working accurate. matches any one character.). Is a dropper post a good solution for sharing a bike between two riders? You switched accounts on another tab or window. As in our previous examples, let's start with parsing the XML structure from a file: def "Should read XML file properly" () { given: "XML file" when: "Using XmlSlurper to . replace string in a file in groovy example GitHub Thanks for contributing an answer to Stack Overflow! Working with XML in Groovy | Baeldung regex to replace a string using replaceAll() or any other method, Science fiction short story, possibly titled "Hop for Pop," about life ending at age 30. What does that mean? How does the theory of evolution make it less likely that the world is designed? ChatGPT) is banned, Testing native, sponsored banner ads on Stack Overflow (starting July 6). By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. In this case, you would use: Change_1 = Log_file_1.replaceAll (/\/,'/'); Slashy strings also support interpolation, and can be multi-line. I wrote a simple script to search all files with a given extension, and search and replace a String inside each file. Replacing tabs with spaces in a text file | Groovy 2 Cookbook You can pass the specific value of your data in via an XSL parameter or you can dynamically modify the stylesheet itself (if you include as a string in your Groovy program). Replacing tabs with spaces in a text file | Groovy 2 Cookbook Replace middle of filepath while keeping filename at the end? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. A sci-fi prison break movie where multiple people die while trying to break out. Instantly share code, notes, and snippets. Understanding Why (or Why Not) a T-Test Require Normally Distributed Data? Thanks for contributing an answer to Stack Overflow! Thanks guys, much appreciated on timely assistance, Groovy script to modify text file line by line, Why on earth are people paying for digital real estate? In this section, we'll show how to read and manipulate the XML structure using the XmlSlurper. Do you need an "Any" type when implementing a statically typed programming language? What languages give you access to the AST to modify during compilation? How to search for a value in .txt file using groo 2023 SmartBear Software. I wrote a simple script to search all files with a given extension, and search and replace a String inside each file. Solution: Below is where we've add the Groovy script in our iFlow specific to the requirement. the 3rd occurrence of "James" in data.txt with "user3". http://today.java.net/pub/a/today/2004/08/12/groovyxml.html?page=2. Groovy Language Documentation - Apache Groovy Do Hard IPs in FPGA require instantiation. (Ep. The most likely reason for use of single vs. double in different libraries is programmer preference and/or API consistency. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. In a glob, . Add a comment. How to replace specific string in a text file with empty space What is the reasoning behind the USA criticizing countries and then paying them diplomatic visits? In what circumstances should I use the Geometry to Instance node? I had to read the file content first, and then write on the file. To learn more, see our tips on writing great answers. Do modal auxiliaries in English never change their forms? Thanks in advance for your help and time. Will just the increase in height of water column increase pressure or does mass play any role in it? Design a Real FIR with arbitrary Phase Response. Ok, I searched, what's this part on the inner part of the wing on a Cessna 152 - opposite of the thermometer. Getting ready Let's assume that we have an input.txt file that contains some tabulation characters. groovy - regex to replace a string using replaceAll() or any other Also knowing about. Python zip magic for classes instead of tuples. Replace empty string with text using sed or similar tool. I have a input file from which a Groovy file reads input. Hi, I am new to Boomi and Groovy scripting. 2. In this blog post Im going to brief about, How effectively we can use Groovy script to tackle Agile developments in your SAP CI/CPI projects. . That solves my problem in a much cleaner and easier way. Groovy Goodness: Using the replaceAll Methods from String with this code in place there is no need to do any further changes in your iFlow to convert the basic type. How to search for a value in .txt file using groovy script. I had to read the file content first, and then write on the file. Then loop through all lines and replace the <credits> lines by deleting them and inserting at the new position. To me the actual copy & search & replace seems like the perfect job for an XSLT stylesheet. All Rights Reserved. If the input file has a very large line, the program may crash if there is not enough memory to store the line. Read it as. I am thinking of writing the processed lines into a new file (append). Code class Main { Ok, I searched, what's this part on the inner part of the wing on a Cessna 152 - opposite of the thermometer, Can I still have hopes for an offer as a software developer. The method eachLine is in-built in the File class in Groovy for the purpose of ensuring that each line of the text file is read. I have a text file that has the token "%%#%" located all over the place inside of it. I believe this is a bug (unless we want to limit writes by design, but I don't think so). Has a bill ever failed a house of Congress unanimously? 2.1. Connect and share knowledge within a single location that is structured and easy to search. In an XSLT you have no problem at all to just copy everything (including the items you're having problems with) and simply insert your data where it is required. Hence to add ' on each line when it is processed you need to rewrite the entire file. That is exactly what I wanted. Other dividers are possible such as @: Because in the above, we use @ as the dividor instead of /, we have no need to escape the first /. I know this can be accomplished as a one liner, but I don't want to try and remember the syntax every time I need to do it. ChatGPT) is banned, Testing native, sponsored banner ads on Stack Overflow (starting July 6), Replace XML text node with an element node, Groovy replace node values in xml with xpath, groovy/XML: Replace a node by another one, Groovy script to find and replace characters in a XML file, Replace XML Node with another instance of Node, Groovy XmlSlurper replace node with given child node value, Spying on a smartphone remotely by the authorities: feasibility and operation. Find the maximum and minimum of a function with three variables. Obviously it requires manual work to again feed to error'ed output file as input again. For example in IDoc XSD, parameter in Content Modifiers Header/Property type as X-Path etc. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Stack Exchange network consists of 182 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. the 1st occurrence of "James" in data.txt with "user1". 587), The Overflow #185: The hardest part of software is requirements, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Print a line in stdout that matches an expression if the output contains another expression, replace a string with sed from specific lines, remove duplicate and replace it with empty space. Otherwise, you can use that multiline (?s) regex. Groovy - replaceAll() How can I remove a mystery pipe in basement wall and floor? Cookie Notice I have a flat file message which contains a string that I need to replace with a DDP value. In CI/CPI we need to update the IDoc basic type to its latest where we have already completed the IDoc mappings. check this: To conclude, youve learnt How effectively one can use replaceALL in Groovy, which eventually adds up an agility to meet your deliverables on time ( a Change request basically) without much effort or rework been put. Extending the Delta-Wye/-Y Transformation to higher polygons. 3. WriteToFile.groovy. is a wildcard meaning any single character. Do modal auxiliaries in English never change their forms? Making statements based on opinion; back them up with references or personal experience. Remove outermost curly brackets for table of variable dimension. October 22, 2009 Groovy Goodness: Using the replaceAll Methods from String Groovy adds two extra replaceAll methods to the String class. This prevents spurious rebuilds based on unchanged files which have been regenerated by this task. These are my two approaches. To review, open the file in an editor that reveals hidden Unicode characters. Avoid angular points while scaling radius. replace string in a file in groovy example. Question: How to search a string and replace it with a DDP value

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