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find and replace a string

 
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uneasabe
Beginner


Joined: 26 Oct 2003
Posts: 8
Topics: 4
Location: Mumbai
PostPosted: Tue Nov 04, 2003 12:53 am    Post subject: find and replace a string Reply with quote
hi,
I want to know the command which will enable me to find and replace a string using rexx
Thanx
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ofer71
Intermediate


Joined: 12 Feb 2003
Posts: 358
Topics: 4
Location: Israel
PostPosted: Tue Nov 04, 2003 2:38 am    Post subject: Reply with quote
H?

There is no Built-Ib function in REXX for replace.
I wrote my own function:
Code:

/* REXX */                                                     
                                                               
A = 'MY NAME IS OFER'                                           
SAY A                                                           
B = REPLACE(A,' OFER',' OFERICO')                               
SAY B                                                           
                                                               
EXIT                                                           
                                                               
REPLACE:                                                       
                                                               
RETSTRING  = ARG(1)                                             
ARG2LENGTH = LENGTH(ARG(2))                                     
                                                               
DO FOREVER                                                     
  LOOK4_POS = POS(ARG(2),RETSTRING)                             
  IF SUBSTR(RETSTRING,LOOK4_POS+ARG2LENGTH,1) ?= ' ' THEN LEAVE
  IF LOOK4_POS = 0 THEN LEAVE                                   
  RETSTRING  = SUBSTR(RETSTRING,1,LOOK4_POS-1)||,               
               ARG(3)||,                                       
               SUBSTR(RETSTRING,LOOK4_POS+ARG2LENGTH)           
END                                                             
                                                               
RETURN RETSTRING                                               
                                                                 


Attention: This function is "word sensitive".

HTH

O.
________
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Last edited by ofer71 on Sat Feb 05, 2011 11:08 am; edited 1 time in total
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uneasabe
Beginner


Joined: 26 Oct 2003
Posts: 8
Topics: 4
Location: Mumbai
PostPosted: Tue Nov 04, 2003 2:55 am    Post subject: Reply with quote
thanks a lot
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