String comparison: Difference between revisions
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<pre>/O> ( compare two strings for equality ) |
<pre>/O> ( compare two strings for equality ) |
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... $ "abc" $ "xyz" = |
... $ "abc" $ "xyz" = |
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... echo ( 0 = |
... echo ( 0 = false, 1 = true ) |
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... |
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/O> ( compare two strings for inequality ) |
/O> ( compare two strings for inequality ) |
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... $ "abc" $ "xyz" != |
... $ "abc" $ "xyz" != |
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... echo ( 0 = |
... echo ( 0 = false, 1 = true ) |
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... |
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//O> ( compare two strings to see if one is lexically ordered before the other ) |
//O> ( compare two strings to see if one is lexically ordered before the other ) |
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... $ "abc" $ "xyz" $< |
... $ "abc" $ "xyz" $< |
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... echo ( 0 = |
... echo ( 0 = false, 1 = true ) |
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... |
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/O> ( compare two strings to see if one is lexically ordered after the other ) |
/O> ( compare two strings to see if one is lexically ordered after the other ) |
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... $ "abc" $ "xyz" swap $> |
... $ "abc" $ "xyz" swap $> |
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... echo ( 0 = |
... echo ( 0 = false, 1 = true ) |
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... |
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... [ $ "" swap witheach [ upper join ] ] is upper$ ( $ --> $ ) |
... [ $ "" swap witheach [ upper join ] ] is upper$ ( $ --> $ ) |
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... $ "AbC" upper$ $ "aBc" upper$ = |
... $ "AbC" upper$ $ "aBc" upper$ = |
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... echo ( 0 = |
... echo ( 0 = false, 1 = true ) |
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... |
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