There are many difference between globs (as used by the shell) and regular expressions (which are used by sed, grep, and other important tools). Regex - Groovy regex when replacing tokens in file - iTecNote Connect and share knowledge within a single location that is structured and easy to search. Understanding Why (or Why Not) a T-Test Require Normally Distributed Data? I have a text file that has the token "%%#%" located all over the place inside of it. Groovy also provides another class dedicated to working with XML. : my_job_script = readFileFromWorkspace ('jenkins/runtime/groovy/run_apptests.groovy') // This is DSL-specific; reading files outside scope of this example my_job_script = my_job_script.replace ('@USEVALGRIND@', false) How does the theory of evolution make it less likely that the world is designed? What languages give you access to the AST to modify during compilation? and we wanted to retain thos two attributes even though we replaced the value. In summary an approach for your question could be: An optimal approach to avoid load all lines in memory for a large files is to use a reader to read the file contents, and a temporary file with a writer to write the result, and optimized version could be: Thanks for contributing an answer to Stack Overflow! Replacing tabs with spaces in a text file | Groovy 2 Cookbook In this case, you would use: Change_1 = Log_file_1.replaceAll (/\/,'/'); Slashy strings also support interpolation, and can be multi-line. AFAIK in Groovy you can only append text at the end of the file. Read and write files with Groovy | Opensource.com Why did the Apple III have more heating problems than the Altair? In Groovy, we can use GString s to generate dynamic text easily. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. matches any one character.). 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 (). How to search for a value in .txt file using groo 2023 SmartBear Software. Do modal auxiliaries in English never change their forms? the 9th occurrence of "James" in data.txt with "user9". regex - regular expression in groovy to replace string starting with The most likely reason for use of single vs. double in different libraries is programmer preference and/or API consistency. Design a Real FIR with arbitrary Phase Response. Was the Garden of Eden created on the third or sixth day of Creation? In CI/CPI we need to update the IDoc basic type to its latest where we have already completed the IDoc mappings. Is a dropper post a good solution for sharing a bike between two riders? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I had to read the file content first, and then write on the file. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. In what circumstances should I use the Geometry to Instance node? I also tried to double escape the square brackets still no luck. How to replace specific string in a text file with empty space http://today.java.net/pub/a/today/2004/08/12/groovyxml.html?page=2. Hey there, I'm trying to do a text substitution in a file based on a parameter. Groovy - To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Using File.withReader Spying on a smartphone remotely by the authorities: feasibility and operation, Different maturities but same tenor to obtain the yield. What could cause the Nikon D7500 display to look like a cartoon/colour blocking? Is it legal to intentionally wait before filing a copyright lawsuit to maximize profits? Replacing tabs with spaces in a text file Searching and replacing file content is an often needed routine that can be automated with the help of Groovy scripts, one of which will be shown in this recipe. Seems like withWriter erases the file contents: You might want to do a per line read if the file is too large. AFAIK in Groovy you can only append text at the end of the file. These are my two approaches. I am thinking of writing the processed lines into a new file (append). replaceAll () is a function in groovy that replaces all occurrences of a string with a specified string. Groovy 1String#replaceFirst String#replaceAll .. the 9th occurrence of "James" in data.txt with "user9". How do I use groovy to search+replace in XML? Without it, you will lose your content and badges. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, Maybe try something, show us what you have, and we can help. Morse theory on outer space via the lengths of finitely many conjugacy classes. How to replace empty lines followed by a specific string by this string? How to replace string in Groovy - Stack Overflow What is the significance of Headband of Intellect et al setting the stat to 19? How do I replace text in multiple XML files? - CodeProject The best answers are voted up and rise to the top, Not the answer you're looking for? I have a text file that has the token "%%#%" located all over the place inside of it. 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 . Reading. Read it as. (Ep. Groovy Script "replaceALL" in your Agile - SAP Community Groovy - File I/O - Online Tutorials Library Groovy Language Documentation - Apache Groovy Do you need an "Any" type when implementing a statically typed programming language? Below is where weve add the Groovy script in our iFlow specific to the requirement. Would a room-sized coil used for inductive coupling and wireless energy transfer be feasible? class Example { static void main(String[] args) { String a = "Hello World Hello"; println(a.replaceAll("Hello","Bye")); println(a.replaceAll("World","Hello")); } } When we run the above program, we will get the following result . How to write String to File by Groovy. A sci-fi prison break movie where multiple people die while trying to break out. I am not sure on the file input, but use replaceAll here, Groovy regex when replacing tokens in file, Why on earth are people paying for digital real estate? In groovy, how to replace multiple occurrences on specific lines? rev2023.7.7.43526. What is the reasoning behind the USA criticizing countries and then paying them diplomatic visits? I need something as short/easy as possible, since I'll be giving this code to the testers for their SoapUI scripting. In my own experience (for very simple problems) using simple string lookups is faster than using regular expressions which is again faster than using a fullblown XSLT transformation (makes sense actually). By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Is there a deep meaning to the fact that the particle, in a literary context, can be used in place of , Accidentally put regular gas in Infiniti G37. Reading a File Line by Line There are many Groovy IO methods like readLine and eachLine available for reading files line by line. Hi, I am new to Boomi and Groovy scripting. Why did Indiana Jones contradict himself? regular expression in groovy to replace string starting with multiple - character. Find centralized, trusted content and collaborate around the technologies you use most. But when I run this script, nothing happens (no exceptions and no string replacement). In regex, . Solution: Below is where we've add the Groovy script in our iFlow specific to the requirement. In Groovy how to replace a string in a file? 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. Add a comment. Are there nice walking/hiking trails around Shibu Onsen in November? Other than being consistent, use whichever best suits the string. Remove outermost curly brackets for table of variable dimension. The above code will replace all the instance of INVCON02 to INVCON03 in the iFlow. The text is like the following: I'm on a Windows node so I'm trying to use the following powershell command in a script block: I tried several way, can you me point on the right direction on how correctly escape all characters that need to be escaped? If the input file has a very large line, the program may crash if there is not enough memory to store the line. Browse other questions tagged. In a regex, * means zero of more of the preceding thing. Do modal auxiliaries in English never change their forms? I have a text file that has the token " %%#% " located all over the place inside of it. Find centralized, trusted content and collaborate around the technologies you use most. WriteToFile.groovy. Sample text --- Some text---- Another Sample text -- Some more text ------ --Again some more text . How can I remove a mystery pipe in basement wall and floor? 587), The Overflow #185: The hardest part of software is requirements, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g. 1 Answer. How to add a specific page to the table of contents in LaTeX? You switched accounts on another tab or window. Best Solution I had to read the file content first, and then write on the file. What is the grammatical basis for understanding in Psalm 2:7 differently than Psalm 22:1? 2. Making statements based on opinion; back them up with references or personal experience. Why free-market capitalism has became more associated to the right than to the left, to which it originally belonged? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, I'm afraid it's a bit verbose and it only concerns reading as far as I can see. But none of these approaches work. Otherwise, you can use that multiline (?s)regex. 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 /. Note that JSON is formally specified to use double quotes, which may be worth considering depending on system requirements. means a period. Morse theory on outer space via the lengths of finitely many conjugacy classes, Customizing a Basic List of Figures Display. Reddit and its partners use cookies and similar technologies to provide you with a better experience. I wrote a simple script to search all files with a given extension, and search and replace a String inside each file. That's the best answer so far and it gives the right result, so I'm going to accept the answer :) Understanding Why (or Why Not) a T-Test Require Normally Distributed Data? Different maturities but same tenor to obtain the yield. Why did Indiana Jones contradict himself? It won't replace the text. Asking for help, clarification, or responding to other answers. (Ep. Note I escaped $, because replace and replaceAll behaves differently, in a sense that replace accepts a char and, thus, will be unaffected by regex strings, whereas replaceAll will need escaping. I need something as short/easy as possible, since I'll be giving this code to the testers for their SoapUI scripting. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. In any event, Where am I going awry? In a few months, SAP Universal ID will be the only option to login to SAP Community. Also do note that this is definitely not a SAPs best practice to have in live tenant instead use it when you need a quicker solution during your development/ testing. replace string in a file in groovy example. Working with XML in Groovy | Baeldung Asking for help, clarification, or responding to other answers. Reading a File in Groovy | Baeldung Extending the Delta-Wye/-Y Transformation to higher polygons, Accidentally put regular gas in Infiniti G37, "vim /foo:123 -c 'normal! fileText = (fileText =~ /James/).replaceFirst ("user$ {index}") The following code snippet replaces all the occurrences of 8080. with the current actual AJP port. Need the Groovy way to do partial file substitutions, regular expression in groovy to replace string starting with multiple - character, Replace strings in an existing string in Groovy, Java/Groovy - string: replace characters on matched regex. 1. //Replace the contents of the list below with the, //Replace the value of srcExp to a String or regular expression, //Replace the value of replaceText with the value new value to. 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 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. Reading with eachLine By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. As a glob, *.tar.gz means any string ending with .tar.gz. The following code snippet replaces all the occurrences of 8080, with the current actual http port and all the occurrences of 8009, Learn more about bidirectional Unicode characters. ChatGPT) is banned, Testing native, sponsored banner ads on Stack Overflow (starting July 6), Groovy scripting : append the string to every end of the line, open text file, modify text, place into sql database with groovy, Groovy - read file, modify its content and return it back, SoapUI/Groovy: expand txt file, NOT re-write it, SOAPUI: run test-step with property from txt file, setting property to Property from txt, GroovyScript Read from file and save in Property, How to set two property value using groovy in the same time from a text file, Using groovy to append to a certain line number in a file, Read from file and save in Property using groovy script, Groovy script to Read an xml file and update next step request with file contents, PCA Derivation with maximizing projection length. Making statements based on opinion; back them up with references or personal experience. Accidentally put regular gas in Infiniti G37, Ok, I searched, what's this part on the inner part of the wing on a Cessna 152 - opposite of the thermometer. How to get Romex between two garage doors. Also, there may be a "groovier" way to do it, being primarily a Java developer I don't really know (and quite frankly, I don't care that much, it works). 3. Thanks for contributing an answer to Stack Overflow! I have a flat file message which contains a string that I need to replace with a DDP value. replace string in a file in groovy example GitHub And the Groovy script goes by as follows. Just a tip: regular expressions are very powerful animals, it's really worthwile to become familiar with them ;-) . 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. Enjoy. To learn more, see our tips on writing great answers. Find and Replace a string in a file : r/jenkinsci - Reddit Let's explore them one by one in the following sections. Three "official" groovy ways of updating XML are described on page http://groovy.codehaus.org/Processing+XML, section "Updating XML". Groovy regex when replacing tokens in file. That is exactly what I wanted. Also, I can't be sure that the first tag is empty all the time. (Ep. I'm storing the content of a file in a String variable String fileContents = new File ('file location').text , string contains multiple lines of data as shown below. And with the other method we can use a closure to replace a value found with replaceAll (String, Closure). Using regression where the ultimate goal is classification. Can you work in physics research with a data science degree? By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. It's same as it is even after executing the script. Alerting is not available for unauthorized users, Right click and copy the link to share this comment, The scenario is an outbound asynchronous iFlow, where source is SAP S/4 HANA and target is 3rd party P2P application. (Ep. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. I want to replace filename ended with tar.gz to empty space. In any event, Where am I going awry? Has a bill ever failed a house of Congress unanimously? What does "Splitting the throttles" mean? Groovy adds convenient functionality for reading files in the form of the eachLine methods, methods for getting BufferedReader s and InputStream s, and ways to get all the file data with one line of code. Anyone with an idea for that? ChatGPT) is banned, Testing native, sponsored banner ads on Stack Overflow (starting July 6). How to fix this issue? and our 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. To review, open the file in an editor that reveals hidden Unicode characters. With a couple of simple changes it can be adapted to search different file types, search and replace strings. This prevents spurious rebuilds based on unchanged files which have been regenerated by this task. If a input was used and it failed, that particular line shall not be commented (') so that a retry can be attempted. I can make the replace happen, but some infopath related comments disappear. 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. Does every Banach space admit a continuous (not necessarily equivalent) strictly convex norm? How can I learn wizard spells as a warlock without multiclassing? For example in IDoc XSD, parameter in Content Modifiers Header/Property type as X-Path etc. Obviously it requires manual work to again feed to error'ed output file as input again. To learn more, see our tips on writing great answers. You could do some of this with Java random access file stuff--BUT with random access you can only append or alter, not insert. You could also use Groovy's slashy string, which helps reduce the clutter of Java's escape character \ requirements. Replace String in a Large One Line, Text File in Linux What is the significance of Headband of Intellect et al setting the stat to 19? Why free-market capitalism has became more associated to the right than to the left, to which it originally belonged? Do Hard IPs in FPGA require instantiation? Not the answer you're looking for? Code class Main { To make your own example slightly more generic: The solution you choose is up to you. Hello I am using groovy 2.1.5 and I have to write a code which show the contens/files of a directory with a given path then it makes a backup of the file and replace a word/string from the file. 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). Why add an increment/decrement operator when compound assignments exist? Would a room-sized coil used for inductive coupling and wireless energy transfer be feasible? How to write String to File by Groovy GitHub In a glob, * means zero or more of any character. 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. Using the other type of quote as a literal: Another option, new in ECMAScript6, is template literals which use the backtick character: Template literals offer a clean syntax for: variable interpolation, multi-line strings, and more. Asking for help, clarification, or responding to other answers. Sed, however, does not use globs, it uses regular expressions and regular expressions have a different syntax. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. First we can pass a Pattern instead of a String argument with replaceAll (Pattern, String). Better option just strip all non-digit characters on input (except 'x' and leading '+' signs), taking care because of the British tendency to write numbers in the non-standard form +44 (0) when asked to use the international prefix (in that specific case, you should discard the (0) entirely). Instantly share code, notes, and snippets. Cookie Notice def myFile = new File ('mySuperFile.txt') myFile.write (content) Sign up for free to join this conversation on GitHub . replace: the string which would replace text. Find centralized, trusted content and collaborate around the technologies you use most. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. 2.1. Seems like withWritererases the file contents: def f = new File('/tmp/file.txt') text = f.text f.withWriter { w -> w << text.replaceAll("(?s)%%#%", /\$/) } You might want to do a per line readif the file is too large. Would it be possible for a civilization to create machines before wheels? 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. import java.io.File class Example { static void main(String[] args) { new File("E:/Example.txt").eachLine { line -> println "line : $line"; } } } This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. Hence to add ' on each line when it is processed you need to rewrite the entire file. Making statements based on opinion; back them up with references or personal experience. Python zip magic for classes instead of tuples. Is a dropper post a good solution for sharing a bike between two riders? January 15, 2019 at 10:00 AM How to search a string and replace it with a DDP value? It's ended up looking like this: Since I'm giving this to our testers for use in their testing tool SoapUI, I've tried to "wrap" it, to make it easier for them to copy and paste. StringGroovyMethods (Groovy 4.0.13) Cannot replace string text in Groovy script, Why on earth are people paying for digital real estate? how to replace a string/word in a text file in groovy All rights reserved. And the Groovy script goes by as follows, 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. 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. Customizing a Basic List of Figures Display, Morse theory on outer space via the lengths of finitely many conjugacy classes, QGIS does not load Luxembourg TIF/TFW file. 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. 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. Return value This method returns the modified String. All Rights Reserved. Ok, I searched, what's this part on the inner part of the wing on a Cessna 152 - opposite of the thermometer. You can use the follow approach but I only recommend you to use for a small files since you're loading all the lines in memory. This is good enough for my purpose, but it would be perfect if we could add one more "twist". ReplaceRegExp is a directory based task for replacing the occurrence of a given regular expression with a substitution pattern in a selected file or set of files. In what circumstances should I use the Geometry to Instance node? However, the template engines provide a better way of handling dynamic text using static templates. 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. So if you were comfortable changing your "1" to " 1" beforehand you could do it, or you could change "1" to a comment character but you lose your number.