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splitting difficult(?) strings [message #28758]

Tue, 08 January 2002 09:33

hradilv.nospam
Messages: 19
Registered: November 2001

Junior Member

Any ideas on what would be the easiest (best?) way to split strings
that have the following characteristics? Perhaps best understood by
looking at examples?

1)
buf= '4 5 6'
strsplit(buf,' ',/extract) yields ['4','5','6'] {good}

2)
buf = '"4" "5" "6"'
strsplit(buf,'" "',/extract) yields ['4','5','6'] {good}

3)
buf='"" "5" "6"' {should get ['','5','6']}
strsplit,buf,'" "',/extract) yields ['5','6'] {misses the empty one}
strsplit,buf,'"',/extract) yields [' ','5',' ','6'] {adds an extra
empty one}

4)
buf='"3 4" "5" "6"' {should get ['3 4','5','6'}
strsplit(buf,'" "',/extract) yields ['3','4','5','6'] {adds an extra
one}
strsplit(buf,'"',/extract) yields ['3 4',' ','5',' ','6'] {I can
always then get rid of the ' ' elements}

Maybe I can summarize: I would like something that will split the
string by spaces, PROTECTED by "s. ie there may be spaces within the
"s which should not cause a split.

Thanks in advance

Vince

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splitting difficult(?) strings

By: hradilv.nospam on Tue, 08 January 2002 09:33

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