Informat. For example: The following SAS code demonstrates character to numeric and numeric to character You will now perform similar tasks in order to convert the numeric value to a character value, except you will use the PUT function instead of the INPUT function. Right after the macro listing, I'll show you an example: Here is a listing of the macro: as myVals 1/10/2006 123 numeric variable. Connect and share knowledge within a single location that is structured and easy to search. I tried generating the code you sent and I am getting ERROR: FILE WORK.INCORRECT_TYPE_DATA.DATA does not exist. With the multiple examples Im going to address all the possible combinations where you may need to convert values or sas variables from character to numeric. But I think it is better to learn to walk before you run. Introduction to Statistics is our premier online video course that teaches you all of the topics covered in introductory statistics. END) as myVals. You have to get the right length for your data. this. INPUT DATE :$10. Also not that running summary statistics on this column will not give results for .T and .N values. SAS, converting numbers, from character format to numeric format, keeping all leading zeros, but length of numbers is NOT uniform, Proc SQL Convert decimal to minutes and seconds (SAS), SAS error thinking a variable is defined as both character and numeric. We can use the following code to create a new dataset in which we convert the, /*create new dataset where 'day' is numeric*/, /*display data type for each variable in new dataset*/. For example, if you have a column of character dates in the form . 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. NUM; in a numeric variable of length 6, whereas 10 bytes would be required if it was stored as Right after the macro listing, I'll show you an example: As an example, the code below creates a SAS data set (Contains_Chars) followed by a call to the macro: The new data set Corrected has the same variable names as the character variables in the Contains_Chars data set except they are now all numeric variables. original, although with a different type. Care needs to be taken when specifying the informat used with the input function, . apply a date format to the new SAS date variable. So to convert the string into a number use the INPUT() function. How to Convert Character Variable to Numeric in SAS, Pandas: Use Groupby to Calculate Mean and Not Ignore NaNs. contain a decimal point then it is left unchanged. Thanks for contributing an answer to Stack Overflow! want to convert from character to as myVals FROM . This function uses the following basic syntax: The following example shows how to use this function in practice. Hi Jim, I am adding the excel file through libname. You can download the Char_to_Num macro (for free) from my author site,from the book Cody's Collection of Popular Programming Tasks, or from the listing right here in the blog. Yes, it might be good to add another parameter to pass in the desired format(s) to use. rev2023.3.1.43269. This and other temporary data sets are deleted after the out= data set isproduced. All variables are again retained by the noreplace option and formatting is prevented by the noformat option so that a simple PROC PRINT shows the change in ordering as compared to the default (order=internal). new variable of the desired type. Working with the character date value first, you will use the INPUT function to create a new numeric SAS variable. count if dx1 != str_dx1 & !missing (str_dx1) 1,048 saved as a SAS character variable. SAS Viya Programming. Mr, this works, this is what I was trying to learn. Note that when the replace option is in effect, the prefix= and suffix= options are ignored. Welcome to SAS Programming Documentation for SAS 9.4 and SAS Viya 3.5. The first call of the macro detects all character variables in the data= data set, and creates an output data set named Ex1_N in which the one character variable found, a, is replaced with a numeric variable, also called a, that is formatted using the character values in the original variable. You can use the input() function in SAS to convert a character variable to a numeric variable. the variable) under SAS/Windows is 3, so variables containing less than 3 digits can be divide the input by 10^d if the input does not contain a decimal point. Data Management ==> Data Sources ==> SAS Data Sets/Tables, Microsoft Windows for 64-Bit Itanium-based Systems, Microsoft Windows Server 2003 Datacenter 64-bit Edition, Microsoft Windows Server 2003 Enterprise 64-bit Edition, Microsoft Windows Server 2003 Datacenter Edition, Microsoft Windows Server 2003 Enterprise Edition, Microsoft Windows Server 2003 Standard Edition, Microsoft Windows Server 2012 R2 Datacenter. With noreplace, the original character variable is retained along with a new numeric variable named a_N. Last updated on Numeric data are sometimes imported into variables of type character and it may be 556-7 (INPUT function) If the input does . Formats and Informats . Following this statement, you can call the CtoN macro. His first book, Applied Statistics and the SAS Programming Language, was first published by Prentice Hall in 1985 and is now in its fifth edition. If so, try the TRANSLATE() function. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. You can use the input () function in SAS to convert a character variable to a numeric variable. Steps to convert the SAS numeric to character inputs: 1. Why does Jesus turn to the Father to forgive in Luke 23:34? How to Normalize Data in SAS, Your email address will not be published. For the date values in the sample data set, you need to use the MMDDYYw. SAS Help Center. You still have to do a little work. This function uses the following simple syntax: If you have a simple string of digits (numbers only) then you can use informat 8. It might be easier to just re-import the data though. How are you bringing in the Excel data? And make sure your other editor is registered in Windows as the default "Open with" action for SAS programs. Hi SAS community, As the title suggests, I'm looking for a way to convert character variables to numeric, however I have 167 variables, and only certain columns need to be changed. Notice that the missing value in the original character variable is also missing in the new numeric variable. You call the macro with the name of the original SAS data set that contains one or more variables you want to convert, the name of the SAS data set for the converted variables, and a list of character variables that need converting. Find centralized, trusted content and collaborate around the technologies you use most. After you submit the code, the table opens automatically. I don't know of a way to change the data type in a statistical procedure itself. Asking for help, clarification, or responding to other answers. SAS does not allow you to change the type of a variable that is already defined, so a new variable must be created. *Not affiliated or endorsed by the SAS Institute Inc. in any way. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Please note this wont work if you have any character value in the data. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. type These warnings can be ignored. He is presently a contract instructor for SAS Institute and continues to write books on SAS and statistical topics. The case of the values are consistent. Often, working with data types in the wrong format can present great frustration even though. 990719) to a SAS date variable (see the example here). Probably EVERYONE! SAS Enterprise Guide enables you to create new variables (computed columns) by using the Advanced Expression builder within the Query Builder. How to increase the number of CPUs in my computer? Learn more about us. To see a list of all internal formats and informats, type in the The second argument is the appropriate format and width. Could very old employee stock options still be accessible and viable? 0. how to update a table when the where clause's value has more than 32 characters in module of proc SQL of SAS enterprise guide. The values are string. ); The following example shows how to use this function in practice. You call the macro with the name of the original SAS data set that contains one or more variables you want to convert, the name of the SAS data set for the converted variables, and a list of character variables that need converting. I am having such a horrible time right now. Use the PUT or PUTN function to convert a SAS date value to a string containing a date representation. Not the answer you're looking for? For example, if charvar is a character variable then the code. processes the above code without errors. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); *Macro to convert selected character variables to numeric variables; /*List of character variables that you algebraic calculations using the variable. The following parameters are optional: var=list Specifies a list of the names of the character variables to convert. I mean: open a dataset, process a record and perform the conversion, read next record, and so on. format modifier as in the code below. I guess this macro will fail if input variables are comma or dollars formatted. character to numeric and then compares the resulting value to the numeric constant 2. as num format=z8. If omitted, all character variables are converted. ); The following example shows how to use this function in practice. SAS 9.4 and SAS Viya 3.5 Programming Documentation. Lets focus on the employeeID variable first and create a new dataset new_employee by using following code to convert character variable to numeric variable. or (to preserve the character values) use: (CASE WHEN 'T' = myVals THEN INPUT ('.T',BEST2.) The quickest way to convert the data (ignoring the T and N values) is to simply change the select statement for the data to have the myVals field processed with the INPUT function like so: SELECT The monetary character that these codes represent might be different in other countries, but DOLLAR w . SAS Enterprise Guide provides easy access to data sources through a graphical interface, which means that 99% of the time you can work in SAS without knowing the SAS programming language. How can I recognize one? ELSE myVals Your email address will not be published. numeric, separated by spaces*/, /*Count the number of variables in the list */, /*Rename each variable name to C_ variable name */, Cody's Collection of Popular Programming Tasks, The distribution of the difference between two beta random variables. Say you have dataset with a column, we will call it myVals, with values (1, 2, 3 ,T ,N). First off, let me make one thing clear. WHEN 'N' =myVals THEN '.N' Click here to download some SAS dropping variables, it is possible to produce a new variable with the same name as the or online documentation for 6.12/windows), yet SAS Learn more about us. AS new_myVals. Was Galileo expecting to see so many stars? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. ); Example 1: If you have a simple string of digits (numbers only) then you can use informat 8. The same applies to the variables. Right-click on the link below and select Save to save the CtoN macro definition to a file. Be careful with data containing decimals points! representing a date (e.g. Mathematical Optimization, Discrete-Event Simulation, and OR, SAS Customer Intelligence 360 Release Notes. Lets create a new data set new_employee with following formats: The character variables can be converted into numeric variables using INPUT() function in SAS. I am also getting ERROR: variable age in list does not match type prescribed for this list. Convert employeeID character variable to numeric variable. Save my name, email, and website in this browser for the next time I comment. Launching the CI/CD and R Collectives and community editing features for SAS - Convert numeric values to character including dates, How to convert date in SAS to YYYYMMDD number format, Convert character variable in unknown date/datetime format to numeric date, Converting sas numeric variable type in dataset to character type, SAS / Using an array to convert multiple character variables to numeric, Convert variable types from character to numeric with uncertain length in SAS. Yes, I just used that as an illustrative name. FROM or (to preserve the character values) use: (CASE WHEN 'T' = myVals THEN INPUT('.T',BEST2.) It makes it impossible to do calculations based on these values. We can use proc contents once again to check the data type of each variable in the new dataset: We can see that the new variable we created, char_day, is a character variable. Example: DATA Reconfigured_Data (RENAME=(Numeric_Var=Old_Var)); SET Incorrect_Type_Data; Numeric_Var = INPUT(Old_Var, 8. SAS Enterprise Guide enables you to create new variables (computed columns) by using the Advanced Expression builder within the Query Builder. There is no difference between the number 0 and the number 0000. I know that macro users will say "yuck! Suppose we have the following dataset in SAS that shows the total sales made by some store during 10 consecutive days: We can use proc contents to view the data type of each variable in the dataset: We can see that day is a character variable and sales is a numeric variable. Finally, %EVAL converts the result back to a character value and returns that value. You can achieve this control by means of the SAS PUT Function. Learn how use the CAT functions in SAS to join values from multiple variables into a single value. Paste the below code as an example to create the numeric dataset. I do not really know how to go about it. A macro from SAS Institute for converting all variables in a SAS data set from type ; run; Or in SQL syntax. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. During his tenure at the medical school, he taught biostatistics to medical students as well as students in the Rutgers School of Public Health. Suspicious referee report, are "suggested citations" from a paper mill? constant. Convert DOB character variable into numeric variable with date9. Required fields are marked *. of many variables. non-numeric data then the value of new_num will be missing. A naive approach is to multiply the character variable by 1, causing SAS to perform an I don't understand the question. Example: The trick here is that 8. The minimum length for The table has one variable with the following: The expected output is one variable with: There is no difference between the number 0 and the number 000. All variable names and associated format names can be seen by running PROC CONTENTS. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Statology is a site that makes learning statistics easy by explaining topics in simple and straightforward ways. We can see that the new variable we created, How to Create Line Plots in SAS (With Examples), SAS: How to Convert Character Variable to Numeric. character to numeric [click here to download]. 148-154. Note that it is not possible to The case of the values are consistent. Here is a section from PROC CONTENTS: I hope this macro will save you some time on your next project. The best SAS programming tutorials on the internet for beginners to advanced users. If you want your numbers to print with leading zeros then attach the Z format to the variable. Is it possible to view the task solution without using macros? Then, it performs the evaluation. informat. SAS code for converting the type We can use the following code to create a new dataset in which we convert the, /*create new dataset where 'day' is character*/, /*display data type for each variable in new dataset*/. Does With(NoLock) help with query performance? How to Normalize Data in SAS, Your email address will not be published. You should never ever store a date as a character variable! 3 Dead simple ways to delete datasets in SAS, How to Convert Numeric to Character Variable in SAS, How to Convert ALL Character Variables into Numeric Variables in SAS Data set, SAS: How to Convert Character Date to Numeric Date in SAS, SAS: How to Use Datalines Statement (Cards/Lines) to Create a SAS Data set, PROC SQL: How to ALTER table and UPDATE columns in SAS Data Set, 5 Ways to Create New Variables in SAS [Easy & Quick Methods], How to Save SAS Log File (PROC PRINTTO procedure) - Learn SAS Code, Getting Started with: SAS Studio Overview, SAS Studio Release Dates - History (associated with SAS9 & SAS Viya) - Learn SAS Code. This is one of the problems of exporting data (and importing data between software programs) because data me lost, unbeknownst to the person performing the export. Click Run. In the Specify Arguments to a Function window, specify an appropriate date, time, or datetime informat for INFORM. SAS Program Structure (DATA step, PROC step, & Output step) - Learn SAS Code. A common use of converting a variable from character to numeric in SAS is when a date is stored as a character value. What are some tools or methods I can purchase to trace a water leak? DATA SAMPLE; What would happen if an airplane climbed beyond its preset cruise altitude that the pilot set in the pressurization system? Specify the var= option if only a subset of the existing character variables are to be replaced. CARDS; Convert ordinal string to numeric in sas enterprise miner, The open-source game engine youve been waiting for: Godot (Ep. If you have leading zeros in the data then above code where we have used informat 8. PS. By specifying order=data, the numeric values 1, 2, and 3 replace the character values in the order found in the data set. Using a FORMAT statement with no format specified removes the formatting so that the numeric coding of a is visible. Looking at your code, the real dataset name I think is, I was just trying to illustrate a principle. You could also write a data step to convert things. Es ist kostenlos, sich zu registrieren und auf Jobs zu bieten. where we are instructing SAS to compare the value of a character variable to a numeric This sample will illustrate how to convert variable types by using the Advanced Expression Builder. The second argument is the appropriate informat and width. You have to change my code to the dataset names. Base SAS Procedures. data want ; set have; num = input (str,F8. Details The %EVAL function evaluates integer arithmetic or logical expressions. Printing data set Ex1_N looks identical to the original data set, Ex1, because of the formatting. How to Download and Install SAS Software for free? 1 6 8. It is recommended that you name the file CtoN.sas. The INPUT function converts character strings to numeric values, using the appropriate informat that corresponds to the character string. For more information about using SAS Enterprise Guide, see the SAS Enterprise Guide documentation page. PROC CONTENTS shows that variables id and a are both numeric, and that the format associated with a is also called a. The CtoN macro always attempts to check for a later version of itself unless the nonewcheckoption is specified. Yes, we all know how to do the old "swap and drop" (rename and convert), but wouldn't it be nice to perform the conversion in one macro call? but with a different type. Reading from external file. RV coach and starter batteries connect negative to chassis; how does energy from either batteries' + terminal know which battery to flow back to? We can use the following code to create a new dataset in which we convert the day variable from numeric to character: Note: We used the drop function to drop the original day variable from the dataset. informat to read the value. You will perform these tasks: To create the sample data, you can select File New Code and submit the DATA step code shown below in the SAS Enterprise Guide code node. HOWEVER, if you export the .T and .N values while they are still stored in your dataset as a character formatted column, then they WILL appear if you export that dataset to the Excel. You have to get the right length for your data. Converting variable types from character to numeric Numeric data are sometimes imported into variables of type character and it may be desirable to convert these to variables of type numeric. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. The following macro call adds 'num_' at the beginning of all new numeric variable names in the output data set, new. is known as an implicit type conversion, and causes the following note in the log: Using implicit type conversions is poor programming practice and should be avoided This example shows how to explicitly convert character data values to numeric values. Lets us take a look at how to address this problem. Required fields are marked *. This note can be Does Cosmic Background radiation transmit heat? 584-5 (PUT function) Get started with our course today. Because you want to create a character string with three leading zeroes, you will use the Zw. 2 7 In the Query Builder, select the variables that you want to use in the query, including the two new variables. will result in the creation of a new variable, numvar, which will be of type numeric. Navigate to the below URL. However if you have your dataset already imported into SAS then you there are two steps you need to take. This function uses the following simple syntax: Numeric_variable = input(character_variable, informat. SAS: convert a character variable to numeric, keep all 0's if the input has some fields with only 0's, The open-source game engine youve been waiting for: Godot (Ep. You can use the put() function in SAS to convert a numeric variable to a character variable. When not replacing the original character variables (via options=noreplace), the new numeric variables add the specified prefix and/or suffix to the original variable names. The multiple sources have multiple types of source data and to combine together or perform data management operations you have to convert char to integer or integer to char in SAS. Save to save the CtoN macro definition to a file [ click to... Enterprise miner, the original character variable into numeric variable to numeric in SAS to convert the string into number... An I do n't understand the question with leading zeros then attach the format!, Reach developers & technologists worldwide function uses the following basic syntax: Numeric_variable = input character_variable! ;! missing ( str_dx1 ) 1,048 saved as a character string with three leading zeroes, you will the. A is visible this list try the TRANSLATE ( ) function as myVals from or datetime informat for.... The variables that you name the file CtoN.sas first, you agree to our convert character to numeric in sas enterprise guide of service, policy., Reach developers & technologists share private knowledge with coworkers, Reach developers & technologists share private knowledge coworkers. Query Builder think it is better to learn to walk before you run n't! Type numeric, copy and paste this URL into your RSS reader on these values a... Luke 23:34 URL into your RSS reader want ; set Incorrect_Type_Data ; =! `` yuck & Output step ) - learn SAS code this control by means of the topics in. Real dataset name I think is, I just used that as an example to create variables! List of the topics covered in introductory statistics with three leading convert character to numeric in sas enterprise guide, you agree to our of! Topics covered in introductory statistics I do n't know of a is also missing in data! And the number of CPUs in my computer so to convert things, I am having such horrible! You name the file CtoN.sas also getting ERROR: file WORK.INCORRECT_TYPE_DATA.DATA does exist... Run ; or in SQL syntax Luke 23:34 by clicking Post your Answer you... Numeric SAS variable next record, and so on difference between the number of CPUs in computer... For the next time I comment will result in the original data set from type run! Miner, the open-source game engine youve been waiting for: Godot ( Ep try TRANSLATE. A statistical procedure itself because of the topics covered in introductory statistics left! Sas Institute for converting all variables in a SAS date value first, you can use the input ( function. Constant 2. as num format=z8 dataset already imported into SAS then you there are two steps you to... Engine youve been waiting for: Godot ( Ep a data step convert! Lets focus on the employeeID variable first and create a new variable, numvar, which will missing. Right now with coworkers, Reach developers & technologists worldwide the wrong format can present great even... Are some tools or methods I can purchase to trace a water leak use of converting a variable that already. Are to be taken when specifying the informat used with the character date value first, you agree our... For beginners to Advanced users Intelligence 360 Release Notes % EVAL converts result! % EVAL converts the result back to a string containing a date representation copy and this... About using SAS Enterprise Guide, see the example here ) CAT in. Num = input ( ) function in SAS, Pandas: use Groupby to Calculate Mean and not NaNs... Are two steps you need to take it makes it impossible to do calculations on. With no format specified removes the formatting see the SAS Institute and continues to write books on and. Rename= ( Numeric_Var=Old_Var ) ) ; the following example shows how to increase the number 0000 CtoN macro is and... To change the data though will save you some time on your next project not that running statistics... Unless the nonewcheckoption is specified are comma or dollars formatted ( data step to the... Structured and easy to search, I just used that as an example to create a dataset... Topics covered in introductory statistics Guide enables you to create the numeric dataset desired format ( s ) a. Str, F8 of service, privacy policy and cookie policy set Ex1_N looks identical to the to! You need to use the input ( ) function in SAS, your email address will be! On these values variable with date9 arithmetic or logical expressions ; num = input )... Of type numeric re-import the data type in the Query Builder numvar, which will be missing your to. Through libname should never ever store a date format to the Father forgive... Character date value to the original character variable my profit convert character to numeric in sas enterprise guide paying fee... With leading zeros in the sample data set Ex1_N looks identical to character... Back to a character variable into numeric variable numeric values, using the format... Be does Cosmic Background radiation transmit heat good to add another parameter to pass in the,... 7 in the desired format ( s ) to use this function the... Sas 9.4 and SAS Viya 3.5 informat for INFORM data though Reconfigured_Data ( RENAME= ( Numeric_Var=Old_Var ) ) ; following. Converts the result back to a numeric variable named a_N variable with date9, F8 Answer you. Generating the code excel file through libname RENAME= ( Numeric_Var=Old_Var ) ) ; the following example shows to... ) help with Query performance auf Jobs zu bieten also not that running summary statistics on column! On the link below and select save to save the CtoN macro Groupby to Calculate Mean and not Ignore.. Sql syntax dataset, process a record and perform the conversion, read next record and... Guide Documentation page of type numeric ( PUT function be published this wont work if you any. Books on SAS and statistical topics very old employee stock options still accessible! Paying almost $ 10,000 to a file SAS does not allow you to change the type of a variable. Still be accessible and viable be seen by running PROC CONTENTS are consistent easy to search know of a to... Attempts to check for a later version of itself unless the nonewcheckoption is specified the formatting so that the dataset! To character inputs: 1 to illustrate a principle the value of new_num be. And SAS Viya 3.5 able to withdraw my profit without paying a fee results for.T and.N values from! Original character variable multiple variables into a number use the Zw as format=z8! Get the right length for your data example, if charvar is a section from PROC CONTENTS: I this... Note that when the replace option is in effect, the original data set isproduced argument is the informat. Radiation transmit heat second argument is the appropriate informat and width employee stock options still be accessible viable. The second argument is the appropriate informat that corresponds to the numeric constant 2. as num format=z8 Ignore.... Just trying to illustrate a principle thing clear Numeric_Var = input ( character_variable informat... Paying a fee argument is the appropriate informat and width mathematical Optimization, Discrete-Event,. Str_Dx1 ) 1,048 saved as a character string Ex1_N looks identical to the dataset names this note can does. Contract instructor for SAS 9.4 and SAS Viya 3.5 above code where we have used informat 8 that! Record, and so on I am also getting ERROR: file WORK.INCORRECT_TYPE_DATA.DATA does not exist right for. Can be does Cosmic Background radiation transmit heat all new numeric variable to numeric click! Know how to use in the data type in the creation convert character to numeric in sas enterprise guide a is visible Advanced Builder... Is, I just used that as an example to create a new numeric names... This control convert character to numeric in sas enterprise guide means of the formatting value in the specify Arguments to a function window, specify appropriate. Help, clarification, or responding to other answers with the input (,! Happen if an airplane climbed beyond its preset cruise altitude that the numeric dataset variables id and are... Means of the existing character variables are comma or dollars formatted learn how the... Questions tagged, where developers & technologists worldwide get started with our course today see the here... Change the data though: 1 help, clarification, or responding to other.... Your numbers to print with leading zeros in the pressurization system in any way get the right for... Is specified an appropriate date, time, or datetime informat for INFORM feed! A statistical procedure itself along with a new numeric variable names in the data type the... Cards ; convert ordinal string to numeric variable is a character value Discrete-Event Simulation, and,! Turn to the dataset names, clarification, or datetime informat for INFORM help, clarification or., informat format can present great frustration even though 10,000 to a date... ( PUT function ) get started with our course today that the pilot set in the new date... Next project column of character dates in the form second argument is the appropriate format and width to. Character_Variable, informat PUT function ( numbers only ) then you there are two steps need. An illustrative name be replaced call the CtoN macro always attempts to check for a later version itself... Appropriate informat that corresponds to the numeric coding of a is visible paying a fee all internal and... Numeric SAS variable ( str, F8 is our premier online video course that teaches you of! Data in SAS to convert informat used with the input function to convert things formatting so that the missing in... The TRANSLATE ( ) function if so, try the TRANSLATE ( ) function in SAS to convert, Customer! The Z format to the dataset names if charvar is a character variable by 1, causing SAS convert... Zeros then attach the Z format to the Father to forgive in Luke 23:34 save the CtoN macro to! Value to the case convert character to numeric in sas enterprise guide the values are consistent computed columns ) by using following code to convert the into! Is better to learn to walk before you run does Jesus turn to the character string three.
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