version 1.2, 2021/06/28 20:13:00 |
version 1.3, 2023/11/13 21:22:07 |
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STRING-UNDEF(1) General Commands Manual STRING-UNDEF(1) |
STRING-UNDEF(1) General Commands Manual STRING-UNDEF(1) |
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NNAAMMEE |
NNAAMMEE |
string-undef - expanding undefined strings |
string-undef - expanding undefined strings |
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DDEESSCCRRIIPPTTIIOONN |
DDEESSCCRRIIPPTTIIOONN |
UUsseerr ddeeffiinneedd ssttrriinngg |
UUsseerr ddeeffiinneedd ssttrriinngg |
The sting "mys" is undefined and remains undefined. |
The sting "mys" is undefined and remains undefined. |
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Its value is "", and now it is defined, and its value is still "". |
Its value is "", and now it is defined, and its value is still "". |
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After redefining it to "newval", it is of course still defined. |
After redefining it to "newval", it is of course still defined. |
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After removing the definition, it is now undefined. |
After removing the definition, it is now undefined. |
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UUsseerr ddeeffiinneedd mmaaccrroo |
UUsseerr ddeeffiinneedd mmaaccrroo |
The macro "mym" is undefined. |
The macro "mym" is undefined. |
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It has no effect: But now it is defined. |
It has no effect: But now it is defined. |
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After defining it as: neweffect it is of course still defined. |
After defining it as: neweffect it is of course still defined. |
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After removing the definition, it is now undefined. |
After removing the definition, it is now undefined. |
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RReennaammeedd mmaaccrroo |
RReennaammeedd mmaaccrroo |
The standard .BR macro is defined, and it wwoorrkkss. |
The standard .BR macro is defined, and it wwoorrkkss. |
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After renaming it, the new name is defined, and wwoorrkkss. |
After renaming it, the new name is defined, and wwoorrkkss. |
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PPrreeddeeffiinneedd ssttrriinngg |
PPrreeddeeffiinneedd ssttrriinngg |
A predefined string is defined and has the value "(R)". |
A predefined string is defined and has the value "(R)". |
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OpenBSD April 9, 2018 STRING-UNDEF(1) |
OpenBSD April 9, 2018 STRING-UNDEF(1) |