| Re: string manipulation [message #23876] |
Tue, 27 February 2001 02:40  |
R.Bauer
Messages: 1424
Registered: November 1998
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Senior Member |
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Craig Markwardt wrote:
>
> I have been thinking about the following problem, but have been pretty
> frustrated.
>
> I have input keyword/value strings of the following form. People may
> recognize this from a FITS file.
>
> TTYPE2 = 'X1LSpecPcu0' / X1LSpecPcu0 : Histogram
> TUNIT2 = 'count '
> 1CTYP2 = 'CHANNEL '
> 1CPIX2 = '0~4,5:53,(54~135;2),(136~237;3),(238~249;4),250~255'
> 12CD2A = 1.25
> ^name^^ ^value^^^^^^^
>
> All of the keyword names have a trailing "2" which indicates that they
> are describing column number 2 in a FITS table. Note that in the name
> "12CD2A", only the *final* 2 refers to the column number.
...
Dear Craig,
I believe my replace_string is the right tool for your request
txt= ['TTYPE2' ,$
'TUNIT2', $
'1CTYP2', $
'1CPIX2' ,$
'12CD2A']
result=replace_string(txt,'2','50',pos=4,no_of_replaces=1)
print,result
TTYPE50 TUNIT50 1CTYP50 1CPIX50 12CD50A
http://www.fz-juelich.de/icg/icg1/idl_icglib/idl_source/idl_ html/dbase/download/replace_string.tar.gz
For further routines and licensing please look at
http://www.fz-juelich.de/icg/icg1/idl_icglib/idl_lib_intro.h tml
regards
Reimar
--
Reimar Bauer
Institut fuer Stratosphaerische Chemie (ICG-1)
Forschungszentrum Juelich
email: R.Bauer@fz-juelich.de
http://www.fz-juelich.de/icg/icg1/
=============================================
a IDL library at ForschungsZentrum J�lich
http://www.fz-juelich.de/icg/icg1/idl_icglib/idl_lib_intro.h tml
http://www.fz-juelich.de/zb/text/publikation/juel3786.html
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