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lm_lxt,你好!下面的程序段中,运行时,提示如下:“can't read "f": no such variable while executing
"flush $f "
("uplevel" body line 1)
invoked from within
"uplevel #0 {flush $f }"”
056 | proc invokeQuads { } { |
057 | set f [open |quads.exe r+] |
058 | foreach e {.f.a .f.b .f.c} { |
060 | if { [string compare $entry ""] == 0 } { |
061 | puts stdout "Some entry(ies) are null .... enter them Now \n" |
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