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trim(string) does not work

 
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Zach



Joined: 13 Mar 2023
Posts: 85
Location: Groningen, Netherlands
PostPosted: Thu Apr 27, 2023 9:57 pm    Post subject: trim(string) does not work Reply with quote
trim(string) -> the compiler does not recognise the statement. If someone does get it to work, please post an example. I could not find anything on the Internet that might point out why compiling the statement produced an error.
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Kenneth_Smith



Joined: 18 May 2012
Posts: 697
Location: Hamilton, Lanarkshire, Scotland.
PostPosted: Fri Apr 28, 2023 12:32 am    Post subject: Reply with quote
Code:
program trim_string_works
character(len=30) name
name = 'Casper the Jack Russell       '
write(6,*)      len(name)
write(6,*)      len(trim(name))
write(6,'(A)') '123456789012345678901234567890'
write(6,'(2A)') name,'X'
write(6,'(2A)') trim(name),'X'
end program trim_string_works
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Kenneth_Smith



Joined: 18 May 2012
Posts: 697
Location: Hamilton, Lanarkshire, Scotland.
PostPosted: Fri Apr 28, 2023 11:53 am    Post subject: Reply with quote
A better example:
Code:
program trim_string_works
character(len=30) name, breed
name = 'Casper       '
breed = 'Jack Russell terrier'
write(6,'(A,1X,A,1X,A)') name, 'is a', breed
write(6,*)
write(6,'(A,1X,A,1X,A)') trim(name), 'is a', breed
end program trim_string_works


Code:
Casper                         is a Jack Russell terrier

Casper is a Jack Russell terrier

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Zach



Joined: 13 Mar 2023
Posts: 85
Location: Groningen, Netherlands
PostPosted: Fri Apr 28, 2023 1:20 pm    Post subject: Reply with quote
Thank you for your very explanatory response to my query! Patrick
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