ABAP 7.5x Quick Reference now available!
| Before 7.40 | With 7.40 |
Data | DATA text TYPE string. text = 'ABC'. | DATA(text) = 'ABC'. |
Loop at into work area | DATA wa like LINE OF itab. LOOP AT itab INTO wa. ... ENDLOOP. | LOOP AT itab INTO DATA(wa). ... ENDLOOP. |
Call method | DATA a1 TYPE ... DATA a2 TYPE ... oref->meth( IMPORTING p1 = a1 IMPORTING p2 = a2 ). | oref->meth( IMPORTING p1 = DATA(a1) IMPORTING p2 = DATA(a2) ). |
Loop at assigning | FIELD-SYMBOLS: <line> type … LOOP AT itab ASSIGNING <line>. ... ENDLOOP. | LOOP AT itab ASSIGNING FIELD-SYMBOL(<line>). ... ENDLOOP. |
Read assigning | FIELD-SYMBOLS: <line> type … READ TABLE itab ASSIGNING <line>. | READ TABLE itab ASSIGNING FIELD-SYMBOL(<line>). |
Select into table | DATA itab TYPE TABLE OF dbtab. SELECT * FROM dbtab INTO TABLE itab WHERE fld1 = lv_fld1. | SELECT * FROM dbtab INTO TABLE @DATA(itab) WHERE fld1 = @lv_fld1. |
Select single into | SELECT SINGLE f1 f2 FROM dbtab INTO (lv_f1, lv_f2) WHERE ... WRITE: / lv_f1, lv_f2. | SELECT SINGLE f1 AS my_f1, f2 AS abc FROM dbtab INTO DATA(ls_struct) WHERE ... WRITE: / ls_struct-my_f1, ls_struct-abc. |
If a table line is not found, the exception CX_SY_ITAB_LINE_NOT_FOUND is raised. No sy-subrc.
| Before 7.40 | With 7.40 |
Read Table index | READ TABLE itab INDEX idx INTO wa. | wa = itab[ idx ]. |
Read Table using key | READ TABLE itab INDEX idx USING KEY key INTO wa. | wa = itab[ KEY key INDEX idx ]. |
Read Table with key | READ TABLE itab WITH KEY col1 = … col2 = … INTO wa. | wa = itab[ col1 = … col2 = … ]. |
Read Table with key components | READ TABLE itab WITH TABLE KEY key COMPONENTS col1 = … col2 = … INTO wa. | wa = itab[ KEY key col1 = … col2 = … ]. |
Does record exist? | READ TABLE itab ... TRANSPORTING NO FIELDS. IF sy-subrc = 0. ... ENDIF. | IF line_exists( itab[ ... ] ). ... ENDIF. |
Get table index | DATA idx type sy-tabix. READ TABLE ... TRANSPORTING NO FIELDS. idx = sy-tabix. | DATA(idx) = line_index( itab[ ... ] ). |
NB: There will be a short dump if you use an inline expression that references a non-existent record.
SAP says you should therefore assign a field symbol and check sy-subrc.
ASSIGN lt_tab[ 1 ] to FIELD-SYMBOL(<ls_tab>). IF sy-subrc = 0. ... ENDIF.
NB: Use itab [ table_line = … ] for untyped tables.
CONV dtype|#( ... )
dtype = Type you want to convert to (explicit)
# = compiler must use the context to decide the type to convert to (implicit)
Method cl_abap_codepage=>convert_to expects a string
Before 7.40 |
DATA text TYPE c LENGTH 255. DATA helper TYPE string. DATA xstr TYPE xstring. helper = text. xstr = cl_abap_codepage=>convert_to( source = helper ). |
With 7.40 |
DATA text TYPE c LENGTH 255. DATA(xstr) = cl_abap_codepage=>convert_to( source = CONV string( text ) ). OR DATA(xstr) = cl_abap_codepage=>convert_to( source = CONV #( text ) ). |
Variables: VALUE dtype|#( )
Structures: VALUE dtype|#( comp1 = a1 comp2 = a2 ... )
Tables: VALUE dtype|#( ( ... ) ( ... ) ... ) ...
TYPES: BEGIN OF ty_columns1, “Simple structure cols1 TYPE i, cols2 TYPE i, END OF ty_columns1. TYPES: BEGIN OF ty_columnns2, “Nested structure coln1 TYPE i, coln2 TYPE ty_columns1, END OF ty_columns2. DATA: struc_simple TYPE ty_columns1, struc_nest TYPE ty_columns2. struct_nest = VALUE t_struct(coln1 = 1 coln2-cols1 = 1 coln2-cols2 = 2 ).
OR
struct_nest = VALUE t_struct(coln1 = 1 coln2 = VALUE #( cols1 = 1 cols2 = 2 ) ).
Elementary line type:
TYPES t_itab TYPE TABLE OF i WITH EMPTY KEY. DATA itab TYPE t_itab. itab = VALUE #( ( ) ( 1 ) ( 2 ) ).
Structured line type (RANGES table):
DATA itab TYPE RANGE OF i. itab = VALUE #( sign = 'I' option = 'BT' ( low = 1 high = 10 ) ( low = 21 high = 30 ) ( low = 41 high = 50 ) option = 'GE' ( low = 61 ) ).
FOR wa|<fs> IN itab [INDEX INTO idx] [cond]
This effectively causes a loop at itab. For each loop the row read is assigned to a work area (wa) or field-symbol(<fs>).
This wa or <fs> is local to the expression i.e. if declared in a subrourine the variable wa or <fs> is a local variable of that subroutine. Index like SY-TABIX in loop.
Given:
TYPES: BEGIN OF ty_ship, tknum TYPE tknum, "Shipment Number name TYPE ernam, "Name of Person who Created the Object city TYPE ort01, "Starting city route TYPE route, "Shipment route END OF ty_ship. TYPES: ty_ships TYPE SORTED TABLE OF ty_ship WITH UNIQUE KEY tknum. TYPES: ty_citys TYPE STANDARD TABLE OF ort01 WITH EMPTY KEY.
GT_SHIPS type ty_ships. -> has been populated as follows:
Row TKNUM[C(10)] Name[C(12)] City[C(25)] Route[C(6)]
1 | 001 | John | Melbourne | R0001 |
2 | 002 | Gavin | Sydney | R0003 |
3 | 003 | Lucy | Adelaide | R0001 |
4 | 004 | Elaine | Perth | R0003 |
Populate internal table GT_CITYS with the cities from GT_SHIPS.
Before 7.40 |
DATA: gt_citys TYPE ty_citys, gs_ship TYPE ty_ship, gs_city TYPE ort01. LOOP AT gt_ships INTO gs_ship. gs_city = gs_ship-city. APPEND gs_city TO gt_citys. ENDLOOP. |
With 7.40 |
DATA(gt_citys) = VALUE ty_citys( FOR ls_ship IN gt_ships ( ls_ship-city ) ). |
Populate internal table GT_CITYS with the cities from GT_SHIPS where the route is R0001.
Before 7.40DATA: gt_citys TYPE ty_citys, gs_ship TYPE ty_ship, gs_city TYPE ort01. LOOP AT gt_ships INTO gs_ship WHERE route = 'R0001'. gs_city = gs_ship-city. APPEND gs_city TO gt_citys. ENDLOOP. |
With 7.40DATA(gt_citys) = VALUE ty_citys( FOR ls_ship IN gt_ships WHERE ( route = 'R0001' ) ( ls_ship-city ) ). |
Note: ls_ship does not appear to have been declared but it is declared implicitly.
V. FOR with THEN and UNTIL|WHILE
FOR i = ... [THEN expr] UNTIL|WHILE log_exp
Populate an internal table as follows:
TYPES: BEGIN OF ty_line, col1 TYPE i, col2 TYPE i, col3 TYPE i, END OF ty_line, ty_tab TYPE STANDARD TABLE OF ty_line WITH EMPTY KEY.
Before 7.40DATA: gt_itab TYPE ty_tab, j TYPE i. FIELD-SYMBOLS <ls_tab> TYPE ty_line.j= 1. DO. j = j + 10. IF j > 40. EXIT. ENDIF. APPEND INITIAL LINE TO gt_itab ASSIGNING <ls_tab>. <ls_tab>-col1 = j. <ls_tab>-col2 = j + 1. <ls_tab>-col3 = j + 2. ENDDO. |
With 7.40DATA(gt_itab) = VALUE ty_tab( FOR j = 11 THEN j + 10 UNTIL j > 40 ( col1 = j col2 = j + 1 col3 = j + 2 ) ). |
... REDUCE type(
INIT result = start_value
...
FOR for_exp1
FOR for_exp2
...
NEXT ...
result = iterated_value
... )
II. Note
While VALUE and NEW expressions can include FOR expressions, REDUCE must include at least one FOR expression. You can use all kinds of FOR expressions in REDUCE:
Count lines of table that meet a condition (field F1 contains “XYZ”).
Before 7.40DATA: lv_lines TYPE i. LOOP AT gt_itab INTO ls_itab where F1 = ‘XYZ’. lv_lines = lv_lines + 1. ENDLOOP. |
With 7.40DATA(lv_lines) = REDUCE i( INIT x = 0 FOR wa IN gt_itab WHERE( F1 = ‘XYZ’ ) NEXT x = x + 1 ). |
Sum the values 1 to 10 stored in the column of a table defined as follows
DATA gt_itab TYPE STANDARD TABLE OF i WITH EMPTY KEY. gt_itab = VALUE #( FOR j = 1 WHILE j <= 10 ( j ) ).
Before 7.40DATA: lv_line TYPE i, lv_sum TYPE i. LOOP AT gt_itab INTO lv_line. lv_sum = lv_sum + lv_line. ENDLOOP. |
With 7.40DATA(lv_sum) = REDUCE i( INIT x = 0 FOR wa IN itab NEXT x = x + wa ). |
Using a class reference - works because “write” method returns reference to instance object
With 7.40TYPES outref TYPE REF TO if_demo_output. DATA(output) = REDUCE outref( INIT out = cl_demo_output=>new( ) text = `Count up:` FOR n = 1 UNTIL n > 11 NEXT out = out->write( text ) text = |{ n }| ). output->display( ). |
... COND dtype|#( WHEN log_exp1 THEN result1
[ WHEN log_exp2 THEN result2 ]
...
[ ELSE resultn ] ) ...
... SWITCH dtype|#( operand
WHEN const1 THEN result1
[ WHEN const2 THEN result2 ]
...
[ ELSE resultn ] ) ...
DATA(time) = COND string( WHEN sy-timlo < '120000' THEN |{ sy-timlo TIME = ISO } AM| WHEN sy-timlo > '120000' THEN |{ CONV t( sy-timlo - 12 * 3600 ) TIME = ISO } PM| WHEN sy-timlo = '120000' THEN |High Noon| ELSE THROW cx_cant_be( ) ).
DATA(text) = NEW class( )->meth( SWITCH #( sy-langu WHEN 'D' THEN `DE` WHEN 'E' THEN `EN` ELSE THROW cx_langu_not_supported( ) ) ).
With 7.40TYPES: BEGIN OF line1, col1 TYPE i, col2 TYPE i, END OF line1. TYPES: BEGIN OF line2, col1 TYPE i, col2 TYPE i, col3 TYPE i, END OF line2. DATA(ls_line1) = VALUE line1( col1 = 1 col2 = 2 ). WRITE: / 'ls_line1 =' ,15 ls_line1-col1, ls_line1-col2. DATA(ls_line2) = VALUE line2( col1 = 4 col2 = 5 col3 = 6 ). WRITE: / 'ls_line2 =' ,15 ls_line2-col1, ls_line2-col2, ls_line2-col3. SKIP 2. ls_line2 = CORRESPONDING #( ls_line1 ). WRITE: / 'ls_line2 = CORRESPONDING #( ls_line1 )' ,70 'Result is ls_line2 = ' ,ls_line2-col1, ls_line2-col2, ls_line2-col3. SKIP. ls_line2 = VALUE line2( col1 = 4 col2 = 5 col3 = 6 ). "Restore ls_line2 ls_line2 = CORRESPONDING #( BASE ( ls_line2 ) ls_line1 ). WRITE: / 'ls_line2 = CORRESPONDING #( BASE ( ls_line2 ) ls_line1 )' , 70 'Result is ls_line2 = ', ls_line2-col1 , ls_line2-col2, ls_line2-col3. SKIP. ls_line2 = VALUE line2( col1 = 4 col2 = 5 col3 = 6 ). "Restore ls_line2 DATA(ls_line3) = CORRESPONDING line2( BASE ( ls_line2 ) ls_line1 ). WRITE: / 'DATA(ls_line3) = CORRESPONDING line2( BASE ( ls_line2 ) ls_line1 )' , 70 'Result is ls_line3 = ' , ls_line3-col1 , ls_line3-col2, ls_line3-col3. |
Given structures ls_line1 & ls_line2 defined and populated as above.
Before 7.40 | With 7.40 | |
1 | CLEAR ls_line2. MOVE-CORRESPONDING ls_line1 TO ls_line2. | ls_line2 = CORRESPONDING #( ls_line1 ). |
2 | MOVE-CORRESPONDING ls_line1 TO ls_line2. | ls_line2 = CORRESPONDING # ( BASE ( ls_line2 ) ls_line1 ). |
3 | DATA: ls_line3 like ls_line2. ls_line3 = ls_line2. MOVE-CORRESPONDING ls_line1 TO ls_line2. | DATA(ls_line3) = CORRESPONDING line2 ( BASE ( ls_line2 ) ls_line1 ). |
1. The contents of ls_line1 are moved to ls_line2 where there is a matching column name. Where there is no match the column of ls_line2 is initialised.
2. This uses the existing contents of ls_line2 as a base and overwrites the matching columns from ls_line1.
This is exactly like MOVE-CORRESPONDING.
3. This creates a third and new structure (ls_line3) which is based on ls_line2 but overwritten by matching
columns of ls_line1.
MAPPING allows you to map fields with non-identically named components to qualify for the data transfer.
... MAPPING t1 = s1 t2 = s2
EXCEPT allows you to list fields that must be excluded from the data transfer
... EXCEPT {t1 t2 ...}
A string template is enclosed by two characters "|" and creates a character string.
Literal text consists of all characters that are not in braces {}. The braces can contain:
Before 7.40DATA itab TYPE TABLE OF scarr. SELECT * FROM scarr INTO TABLE itab. DATA wa LIKE LINE OF itab. READ TABLE itab WITH KEY carrid = 'LH' INTO wa. DATA output TYPE string. CONCATENATE 'Carrier:' wa-carrname INTO output SEPARATED BY space. cl_demo_output=>display( output ). |
With 7.40SELECT * FROM scarr INTO TABLE @DATA(lt_scarr). cl_demo_output=>display( |Carrier: { lt_scarr[ carrid = 'LH' ]-carrname }| ). |
Before 7.40DATA lv_output TYPE string. CONCATENATE 'Hello' 'world' INTO lv_output SEPARATED BY space. |
With 7.40DATA(lv_out) = |Hello| & | | & |world|. |
WRITE / |{ 'Left' WIDTH = 20 ALIGN = LEFT PAD = '0' }|. WRITE / |{ 'Centre' WIDTH = 20 ALIGN = CENTER PAD = '0' }|. WRITE / |{ 'Right' WIDTH = 20 ALIGN = RIGHT PAD = '0' }|.
WRITE / |{ 'Text' CASE = (cl_abap_format=>c_raw) }|. WRITE / |{ 'Text' CASE = (cl_abap_format=>c_upper) }|. WRITE / |{ 'Text' CASE = (cl_abap_format=>c_lower) }|.
DATA(lv_vbeln) = '0000012345'. WRITE / |{ lv_vbeln ALPHA = OUT }|. “or ALPHA = IN to go in other direction
WRITE / |{ pa_date DATE = ISO }|. “Date Format YYYY-MM-DD WRITE / |{ pa_date DATE = User }|. “As per user settings WRITE / |{ pa_date DATE = Environment }|. “As per Environment
10. Loop at Group By
I. Definition
LOOP AT itab result [cond] GROUP BY key ( key1 = dobj1 key2 = dobj2 ...
[gs = GROUP SIZE] [gi = GROUP INDEX] )
[ASCENDING|DESCENDING [AS TEXT]]
[WITHOUT MEMBERS]
[{INTO group}|{ASSIGNING <group>}]
...
[LOOP AT GROUP group|<group>
...
ENDLOOP.]
...
ENDLOOP.
II. Explanation
The outer loop will do one iteration per key. So if 3 records match the key there will only be one iteration for these 3 records. The structure “group” (or “<group>” ) is unusual in that it can be looped over using the “LOOP AT GROUP” statement. This will loop over the 3 records (members) of the group. The structure “group” also contains the current key as well as the size of the group and index of the group ( if GROUP SIZE and GROUP INDEX have been assigned a field name). This is best understood by an example.
III. Example
With 7.40TYPES: BEGIN OF ty_employee, name TYPE char30, role TYPE char30, age TYPE i, END OF ty_employee, ty_employee_t TYPE STANDARD TABLE OF ty_employee WITH KEY name. DATA(gt_employee) = VALUE ty_employee_t( ( name = 'John' role = 'ABAP guru' age = 34 ) ( name = 'Alice' role = 'FI Consultant' age = 42 ) ( name = 'Barry' role = 'ABAP guru' age = 54 ) ( name = 'Mary' role = 'FI Consultant' age = 37 ) ( name = 'Arthur' role = 'ABAP guru' age = 34 ) ( name = 'Mandy' role = 'SD Consultant' age = 64 ) ). DATA: gv_tot_age TYPE i, gv_avg_age TYPE decfloat34. "Loop with grouping on Role LOOP AT gt_employee INTO DATA(ls_employee) GROUP BY ( role = ls_employee-role size = GROUP SIZE index = GROUP INDEX ) ASCENDING ASSIGNING FIELD-SYMBOL(<group>). CLEAR: gv_tot_age. "Output info at group level WRITE: / |Group: { <group>-index } Role: { <group>-role WIDTH = 15 }| & | Number in this role: { <group>-size }|. "Loop at members of the group LOOP AT GROUP <group> ASSIGNING FIELD-SYMBOL(<ls_member>). gv_tot_age = gv_tot_age + <ls_member>-age. WRITE: /13 <ls_member>-name. ENDLOOP. "Average age gv_avg_age = gv_tot_age / <group>-size. WRITE: / |Average age: { gv_avg_age }|. SKIP. ENDLOOP. |
IV. Output
Group: 1 Role: ABAP guru Number in this role: 3
John
Barry
Arthur
Average age: 40.66666666666666666666666666666667
Group: 2 Role: FI Consultant Number in this role: 2
Alice
Mary
Average age: 39.5
Group: 3 Role: SD Consultant Number in this role: 1
Mandy
Average age: 64
Before 7.40DATA: ls_lfa1 TYPE lfa1, lv_name1 TYPE lfa1-name1. ls_lfa1= My_Class=>get_lfa1( ). lv_name1 = ls_lfa1-name1. |
With 7.40DATA(lv_name1) = My_Class=>get_lfa1( )-name1. |
Before 7.40IF My_Class=>return_boolean( ) = abap_true. … ENDIF. |
With 7.40IF My_Class=>return_boolean( ). … ENDIF. |
NB: The type “BOOLEAN” is not a true Boolean but a char1 with allowed values X,- and <blank>.
Using type “FLAG” or “WDY_BOOLEAN” works just as well.
This operator can be used to instantiate an object.
Before 7.40DATA: lo_delivs TYPE REF TO zcl_sd_delivs, lo_deliv TYPE REF TO zcl_sd_deliv. CREATE OBJECT lo_delivs. CREATE OBJECT lo_deliv. lo_deliv = lo_delivs->get_deliv( lv_vbeln ). |
With 7.40DATA(lo_deliv) = new zcl_sd_delivs( )->get_deliv( lv_vbeln ). |
Allows an association to be set up between related data groups.
I. Problem
Given the following 2 internal tables:
TYPES: BEGIN OF t_manager, name TYPE char10, salary TYPE int4, END OF t_manager, tt_manager TYPE SORTED TABLE OF t_manager WITH UNIQUE KEY name. TYPES: BEGIN OF t_developer, name TYPE char10, salary TYPE int4, manager TYPE char10, "Name of manager END OF t_developer, tt_developer TYPE SORTED TABLE OF t_developer WITH UNIQUE KEY name.
Populated as follows:
Row | Name[C(10)] | Salary[I(4)] |
1 | Jason | 3000 |
2 | Thomas | 3200 |
Row | Name[C(10)] | Salary[I(4)] | Manager[C(10)] |
1 | Bob | 2100 | Jason |
2 | David | 2000 | Thomas |
3 | Jack | 1000 | Thomas |
4 | Jerry | 1000 | Jason |
5 | John | 2100 | Thomas |
6 | Tom | 2000 | Jason |
II. SolutionGet the details of Jerry’s manager and all developers managed by Thomas.
With 7.40TYPES: BEGIN OF MESH m_team, managers TYPE tt_manager ASSOCIATION my_employee TO developers ON manager = name, developers TYPE tt_developer ASSOCIATION my_manager TO managers ON name = manager, END OF MESH m_team. DATA: ls_team TYPE m_team. ls_team-managers = lt_manager. ls_team-developers = lt_developer. *Get details of Jerry's manager * "get line of dev table ASSIGN lt_developer[ name = 'Jerry' ] TO FIELD-SYMBOL(<ls_jerry>). DATA(ls_jmanager) = ls_team-developers\my_manager[ <ls_jerry> ]. WRITE: / |Jerry's manager: { ls_jmanager-name }|,30 |Salary: { ls_jmanager-salary }|. "Get Thomas' developers SKIP. WRITE: / |Thomas' developers:|. "line of manager table ASSIGN lt_manager[ name = 'Thomas' ] TO FIELD-SYMBOL(<ls_thomas>). LOOP AT ls_team-managers\my_employee[ <ls_thomas> ] ASSIGNING FIELD-SYMBOL(<ls_emp>). WRITE: / |Employee name: { <ls_emp>-name }|. ENDLOOP. |
Jerry's manager: Jason Salary: 3000
Thomas' developers:
Employee name: David
Employee name: Jack
Employee name: John
Filter the records in a table based on records in another table.
... FILTER type( itab [EXCEPT] [IN ftab] [USING KEY keyname]
WHERE c1 op f1 [AND c2 op f2 [...]] )
Filter an internal table of Flight Schedules (SPFLI) to only those flights based on a filter table that contains the fields Cityfrom and CityTo.
With 7.40TYPES: BEGIN OF ty_filter, cityfrom TYPE spfli-cityfrom, cityto TYPE spfli-cityto, f3 TYPE i, END OF ty_filter, ty_filter_tab TYPE HASHED TABLE OF ty_filter WITH UNIQUE KEY cityfrom cityto. DATA: lt_splfi TYPE STANDARD TABLE OF spfli. SELECT * FROM spfli APPENDING TABLE lt_splfi. DATA(lt_filter) = VALUE ty_filter_tab( f3 = 2 ( cityfrom = 'NEW YORK' cityto = 'SAN FRANCISCO' ) ( cityfrom = 'FRANKFURT' cityto = 'NEW YORK' ) ). DATA(lt_myrecs) = FILTER #( lt_splfi IN lt_filter WHERE cityfrom = cityfrom AND cityto = cityto ). “Output filtered records LOOP AT lt_myrecs ASSIGNING FIELD-SYMBOL(<ls_rec>). WRITE: / <ls_rec>-carrid,8 <ls_rec>-cityfrom,30 <ls_rec>-cityto,45 <ls_rec>-deptime. ENDLOOP. |
Note: using the keyword “EXCEPT” (see definition above) would have returned the exact opposite records i.e all records EXCEPT for those those returned above.
So you're an experienced ABAP programmer wanting to leverage off the fantastic new functionality available to you in ABAP 7.40!
However, searching for information on this topic leads you to fragmented pages or blogs that refer to only a couple of the new features available to you.
What you need is a quick reference guide which gives you the essentials you need and shows you how the code you are familiar with can be improved with ABAP 7.40.
The below document contains exactly this!
It gives examples of "classic" ABAP and its 740 equivalent. It goes into more details on the more difficult topics normally via examples. This allows the reader to dive in to the level they desire. While this document does not contain everything pertaining to ABAP 740 it certainly covers the most useful parts in the experience of the author.
The document has been compiled by drawing on existing material available online as well as trial and error by the author. In particular the blogs by Horst Keller have been useful and are the best reference I have found (prior to this document ). He has a landing page of sorts for his various blogs on the topic here:
ABAP Language News for Release 7.40
Credit also goes to Naimesh Patel for his useful explanations and examples on ABAP 7.40. Here is his example of the "FOR iteration expression" which I leaned on (links to his other 740 articles can be found at the bottom of the link):
http://zevolving.com/2015/05/abap-740-for-iteration-expression/
I compiled the below document to make the transition to using ABAP 740 easier for myself and my project team. It has worked well for us and I hope it will do the same for you.
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