Reference/ReadRegStr: Difference between revisions
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(Created page with "=ReadRegStr= user_var(output) root_key sub_key name Reads from the registry into the user variable $x. Valid values for root_key are listed under [[Reference/WriteRegStr|Write...") |
(→ReadRegStr: Document behavior on string overflow) |
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user_var(output) root_key sub_key name | user_var(output) root_key sub_key name | ||
Reads from the registry into the user variable $x. Valid values for root_key are listed under [[Reference/WriteRegStr|WriteRegStr]]. The error flag will be set and $x will be set to an empty string ("") if the string is not present. If the value is present, but is of type REG_DWORD, it will be read and converted to a string and the error flag will be set. | Reads from the registry into the user variable $x. Valid values for root_key are listed under [[Reference/WriteRegStr|WriteRegStr]]. The error flag will be set and $x will be set to an empty string ("") if the string is not present or longer than NSIS_MAX_STRLEN. If the value is present, but is of type REG_DWORD, it will be read and converted to a string and the error flag will be set. | ||
<highlight-nsis>ReadRegStr $0 HKLM Software\NSIS "" | <highlight-nsis>ReadRegStr $0 HKLM Software\NSIS "" | ||
DetailPrint "NSIS is installed at: $0"</highlight-nsis> | DetailPrint "NSIS is installed at: $0"</highlight-nsis> | ||
''Command introduced with NSIS v1.2g'' | |||
Latest revision as of 17:46, 15 June 2015
ReadRegStr
user_var(output) root_key sub_key name
Reads from the registry into the user variable $x. Valid values for root_key are listed under WriteRegStr. The error flag will be set and $x will be set to an empty string ("") if the string is not present or longer than NSIS_MAX_STRLEN. If the value is present, but is of type REG_DWORD, it will be read and converted to a string and the error flag will be set.
ReadRegStr $0 HKLM Software\NSIS "" DetailPrint "NSIS is installed at: $0"
Command introduced with NSIS v1.2g
