David Fanning wrote:
>
> Karsten Schmidt (k.schmidt@vermes.fh-oldenburg.de) writes:
>
>> Hi Alex, thanks for your answer,
>> I want to change the stringlength or produce new strings (delete and add
>> some words), example:
Dear Karsten,
this is our solution of a replace_string routine.
For further routines copyright and licence.
http://www.fz-juelich.de/icg/icg1/idl_icglib/idl_lib_intro.h tml
The routine itselfs.
http://www.fz-juelich.de/icg/icg1/idl_icglib/idl_source/idl_ html/dbase/download/replace_string.tar.gz
The routine as loadable module.
http://www.fz-juelich.de/icg/icg1/idl_icglib/idl_source/idl_ html/dbase/download/replace_string.sav
; EXAMPLE:
; help,replace_string('Dies ist ein Test',' ','_')
; <Expression> STRING = 'Dies_ist_ein_Test'
; help,replace_string('Dies ist ein Test',' ','_',pos=5)
; <Expression> STRING = 'Dies ist_ein_Test'
; help,replace_string('Dies ist ein Test',' ','_',pos=5,no=1)
; <Expression> STRING = 'Dies ist_ein Test'
; help,replace_string('Dies ist ein Test','ist','ist')
; <Expression> STRING = 'Dies ist ein Test'
; help,replace_string('Dies ist ein Test, ist ein','ist','ist nicht')
; <Expression> STRING = 'Dies ist nicht ein Test, ist nicht ein'
; help,replace_string('\\\\\\\\\','\','/')
; <Expression> STRING = '/////////'
;
help,replace_string('["..\idl_html\idl_work_cat.htm"]','cat','cat_org')
; <Expression> STRING = '["..\idl_html\idl_work_cat_org.htm"]'
; print,replace_string(['12:33:00','12:33:00','12:33:00'],':', '')
; 123300 123300 123300
;
print,replace_string(['12:33:00','12:33:00','12:33:00'],':', '',pos=5)
; 12:3300 12:3300 12:3300
; print,replace_string( 'asdf___ertz_j','__', '')
; asdf_ertz_j
;
print,replace_string(['12:33:00','12:33:00','12:33:00'],':', '',pos=5,count=c),c
; 12:3300 12:3300 12:3300
; 3
;
print,replace_string(['12:33:00','12:33:00','12:33:00'],':', '',count=c),c
; 123300 123300 123300
; 6
>>
>> a=string('llllllllllllllllllllllllllllllllllllllllllllllllll llllllllllllllllllllllllllllllllllllllllllllllllllllllllllll llllllllllllllllllllllllllllllllllllllllllllllllllllllllllll llllllllllllllllllllllllllllllllllllllllllllllllllllllllllll llllllllllllllllllllllllllllllllllllllllll')
>>
>> print,strlen(a)
>> 272
>> help,a
>> A STRING =
>> 'lllllllllllllllllllllllllllllllllllllllllllll'...
>> that's allright,
>> but if I write:
>> word=string('long strings are my problem')
>> together=string(word,word,word,word,word,word,word)
>> print,strlen(together)
>> 162 27
>> help,togehter ==> TOGETHER STRING = Array[2]
>>
>> What's happen and how can I stop it ?
>
> If you want to string words together, you should
> use the + sign:
>
> IDL> word1 = 'Hello '
> IDL> word2 = 'Karsten'
> IDL> word3 = ': How are you?"
> IDL> sentence = word1 + word2 + word3
> IDL> Print, sentence
>
> Hello Karsten: How are you?
>
> Cheers,
>
> David
>
> --
> David Fanning, Ph.D.
> Fanning Software Consulting
> Phone: 970-221-0438 E-Mail: davidf@dfanning.com
> Coyote's Guide to IDL Programming: http://www.dfanning.com/
> Toll-Free IDL Book Orders: 1-888-461-0155
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