diff options
Diffstat (limited to 'Doc/Zsh/cond.yo')
-rw-r--r-- | Doc/Zsh/cond.yo | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Doc/Zsh/cond.yo b/Doc/Zsh/cond.yo index 3d369fb83..e08fc0d36 100644 --- a/Doc/Zsh/cond.yo +++ b/Doc/Zsh/cond.yo @@ -63,6 +63,9 @@ is open and associated with a terminal device. item(tt(-u) var(file))( true if var(file) exists and has its setuid bit set. ) +item(tt(-v) var(varname))( +true if shell variable var(varname) is set. +) item(tt(-w) var(file))( true if var(file) exists and is writable by current process. ) @@ -103,8 +106,10 @@ true if var(file1) and var(file2) exist and refer to the same file. xitem(var(string) tt(=) var(pattern)) item(var(string) tt(==) var(pattern))( true if var(string) matches var(pattern). -The `tt(==)' form is the preferred one. The `tt(=)' form is for -backward compatibility and should be considered obsolete. +The two forms are exactly equivalent. The `tt(=)' form is +the traditional shell syntax (and hence the only one generally used +with the tt(test) and tt([) builtins); the `tt(==)' form provides +compatibility with other sorts of computer language. ) item(var(string) tt(!=) var(pattern))( true if var(string) does not match var(pattern). |