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Edited tcl.html.markdown to fix a few bugs in the code and formatting error. (#1777)
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@ -105,12 +105,14 @@ set greeting $greeting1$greeting2[set greeting3]
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# Command substitution should really be called script substitution, because an
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# Command substitution should really be called script substitution, because an
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# entire script, not just a command, can be placed between the brackets. The
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# entire script, not just a command, can be placed between the brackets. The
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# "incr" command increments the value of a variable and returns its value.
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# "incr" command increments the value of a variable and returns its value.
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set i 0
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set greeting $greeting[
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set greeting $greeting[
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incr i
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incr i
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incr i
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incr i
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incr i
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incr i
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]
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]
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# i is now 3
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# backslash suppresses the special meaning of characters
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# backslash suppresses the special meaning of characters
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set amount \$16.42
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set amount \$16.42
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@ -149,9 +151,6 @@ set greeting "Hello, [set {first name}]"
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# To promote the words within a word to individual words of the current
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# To promote the words within a word to individual words of the current
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# command, use the expansion operator, "{*}".
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# command, use the expansion operator, "{*}".
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```
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```tcl
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set {*}{name Neo}
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set {*}{name Neo}
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# is equivalent to
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# is equivalent to
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@ -261,10 +260,11 @@ proc greet greeting\ name return\ \"Hello,\ \$name!
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# When the last parameter is the literal value, "args", it collects all extra
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# When the last parameter is the literal value, "args", it collects all extra
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# arguments when the command is invoked
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# arguments when the command is invoked
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proc fold {cmd args} {
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proc fold {cmd args} {
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set res 0
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set res 1
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foreach arg $args {
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foreach arg $args {
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set res [$cmd $res $arg]
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set res [$cmd $res $arg]
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}
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}
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return res
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}
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}
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fold ::tcl::mathop::* 5 3 3 ;# -> 45
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fold ::tcl::mathop::* 5 3 3 ;# -> 45
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