Hi, In my version of root (3.00/06 on linux) gSystem->Unsetenv("A") is crashing. I saw that this was a known feature and was corrected. But looking at you code it seems that Unsetenv("A") is coded like Setenv("A",""). This is not exactely a unsetenv. After an unsetenv the environment variable must disapear rather then be rest to a null string. isdcpc3:dal3cat 173> root ******************************************* * * * W E L C O M E to R O O T * * * * Version 3.00/06 10 May 2001 * * * * You are welcome to visit our Web site * * http://root.cern.ch * * * ******************************************* FreeType Engine v1.x used to render TrueType fonts. Compiled with thread support. CINT/ROOT C/C++ Interpreter version 5.14.81, Mar 20 2001 Type ? for help. Commands must be C++ statements. Enclose multiple statements between { }. root [0] .! printenv A root [1] gSystem->Setenv("A","B") root [2] .! printenv A B root [3] gSystem->Setenv("A","") root [4] .! printenv A root [5] gSystem->Unsetenv("A") *** Break *** segmentation violation Root > What I expect is (is it what we get form a recent version of root?): root [0] .! printenv A root [1] gSystem->Setenv("A","B") root [2] .! printenv A B root [3] gSystem->Setenv("A","") root [4] .! printenv A root [5] gSystem->Unsetenv("A") root [6] .! printenv A root [7] .q Thanks -- Nicolas Produit INTEGRAL Science Data Center Phone: +41 22 950 91 40 16, Chemin d'Ecogia Fax: +41 22 950 91 33 CH-1290 Versoix www: http://isdc.unige.ch/
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