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| author | Tanaka Akira <akr@users.sourceforge.net> | 1999-09-23 14:30:25 +0000 |
|---|---|---|
| committer | Tanaka Akira <akr@users.sourceforge.net> | 1999-09-23 14:30:25 +0000 |
| commit | e504499d98a057b0e39bb019707cb905bdbe7e62 (patch) | |
| tree | d97710ec20ee5c19b62fadfd400c0f8ec388935d /Doc/Zsh/arith.yo | |
| parent | zsh-workers/8030 (diff) | |
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zsh-workers/8033
Diffstat (limited to 'Doc/Zsh/arith.yo')
| -rw-r--r-- | Doc/Zsh/arith.yo | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Doc/Zsh/arith.yo b/Doc/Zsh/arith.yo index b18aed94c..29897a233 100644 --- a/Doc/Zsh/arith.yo +++ b/Doc/Zsh/arith.yo @@ -86,13 +86,14 @@ if the var(args) is used as a string or a comma-separated list of arithmetic expressions. The shell currently defines no mathematical functions, but modules may define some. -An expression of the form `tt(#\)var(x)' where var(x) is any character +An expression of the form `tt(##)var(x)' where var(x) is any character sequence such as `tt(a)', `tt(^A)', or `tt(\M-\C-x)' gives the ascii value of this character and an expression of the form `tt(#)var(foo)' gives the ascii value of the first character of the value of the parameter var(foo). Note that this is different from the expression `tt($#)var(foo)', a standard parameter substitution which gives the -length of the parameter var(foo). +length of the parameter var(foo). `tt(#\)' is accepted instead of +`tt(##)', but its use is deprecated. Named parameters and subscripted arrays can be referenced by name within an arithmetic expression without using the parameter expansion syntax. For |