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Edited tcl.html.markdown to fix a few bugs in the code and formatting error. (#1777)

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Jacob Ritchie 2016-05-27 11:25:13 +02:00 committed by ven
parent cdc8ff6e6c
commit 2b7eadaa80
1 changed files with 5 additions and 5 deletions
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tcl.html.markdown
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@ -105,12 +105,14 @@ set greeting $greeting1$greeting2[set greeting3]
# Command substitution should really be called script substitution, because an # Command substitution should really be called script substitution, because an
# entire script, not just a command, can be placed between the brackets. The # entire script, not just a command, can be placed between the brackets. The
# "incr" command increments the value of a variable and returns its value. # "incr" command increments the value of a variable and returns its value.
set i 0
set greeting $greeting[ set greeting $greeting[
incr i incr i
incr i incr i
incr i incr i
] ]
# i is now 3
# backslash suppresses the special meaning of characters # backslash suppresses the special meaning of characters
set amount \$16.42 set amount \$16.42
@ -149,9 +151,6 @@ set greeting "Hello, [set {first name}]"
# To promote the words within a word to individual words of the current # To promote the words within a word to individual words of the current
# command, use the expansion operator, "{*}". # command, use the expansion operator, "{*}".
```
```tcl
set {*}{name Neo} set {*}{name Neo}
# is equivalent to # is equivalent to
@ -261,10 +260,11 @@ proc greet greeting\ name return\ \"Hello,\ \$name!
# When the last parameter is the literal value, "args", it collects all extra # When the last parameter is the literal value, "args", it collects all extra
# arguments when the command is invoked # arguments when the command is invoked
proc fold {cmd args} { proc fold {cmd args} {
set res 0 set res 1
foreach arg $args { foreach arg $args {
set res [$cmd $res $arg] set res [$cmd $res $arg]
} }
return res
} }
fold ::tcl::mathop::* 5 3 3 ;# -> 45 fold ::tcl::mathop::* 5 3 3 ;# -> 45