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-rw-r--r--library/init.tcl2
1 files changed, 1 insertions, 1 deletions
diff --git a/library/init.tcl b/library/init.tcl
index 8a53c69..f2f85e1 100644
--- a/library/init.tcl
+++ b/library/init.tcl
@@ -580,7 +580,7 @@ proc auto_execok name {
set execExtensions [list {} .com .exe .bat]
}
- if {[lsearch -exact $shellBuiltins $name] != -1} {
+ if {[lsearch -exact $shellBuiltins [string tolower $name]] != -1} {
# When this is command.com for some reason on Win2K, Tcl won't
# exec it unless the case is right, which this corrects. COMSPEC
# may not point to a real file, so do the check.