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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Special-characters/Tcl/special-characters.tcl Normal file
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{...} ;# group in one word, without substituting content; nests
"..." ;# group in one word, with substituting content
[...] ;# evaluate content as script, then substitute with its result; nests
$foo ;# substitute with content of variable foo
$bar(foo) ;# substitute with content of element 'foo' of array 'bar'
\a ;# audible alert (bell)
\b ;# backspace
\f ;# form feed
\n ;# newline
\r ;# carriage return
\t ;# Tab
\v ;# vertical tab
\\ ;# backslash
\ooo ;# the Unicode with octal value 'ooo'
\xhh ;# the character with hexadecimal value 'hh'
\uhhhh ;# the Unicode with hexadecimal value 'hhhh'
# ;# if first character of a word expected to be a command, begin comment
;# (extends till end of line)
{*} ;# if first characters of a word, interpret as list of words to substitute,
;# not single word (introduced with Tcl 8.5)