diff options
Diffstat (limited to 'Doc/Zsh')
| -rw-r--r-- | Doc/Zsh/contrib.yo | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/Doc/Zsh/contrib.yo b/Doc/Zsh/contrib.yo index b9c1c0a80..c875c95da 100644 --- a/Doc/Zsh/contrib.yo +++ b/Doc/Zsh/contrib.yo @@ -3806,10 +3806,23 @@ are printed instead of just the most recent result. Hence, for example, tt(zcalc -r4) shows tt($stack[4]) to tt($stack[1]) each time results are printed. ) -item(Duplication)( +item(Duplication: tt(=))( The pseudo-operator tt(=) causes the most recent element of the stack to be duplicated onto the stack. ) +item(tt(pop))( +The pseudo-function tt(pop) causes the most recent element of +the stack to be popped. A `tt(<)' on its own has the same effect. +) +item(tt(<)var(ident))( +The expression tt(<) followed (with no space) by a shell identifier +causes the most recent element of the stack to be popped and +assigned to the identifier. +) +item(Exchange: tt(xy))( +The pseudo-function tt(xy) causes the most recent two elements of +the stack to be exchanged. +) enditem() The prompt is configurable via the parameter tt(ZCALCPROMPT), which @@ -3872,7 +3885,13 @@ Note that tt(zcalc) takes care of all quoting. Hence for example: example(:f cube $1 * $1 * $1) -defines a function to cube the sole argument. +defines a function to cube the sole argument. Functions so defined, or +indeed any functions defined directly or indirectly using tt(functions +-M), are available to execute by typing only the name on the line in RPN +mode; this pops the appropriate number of arguments off the stack +to pass to the function, i.e. 1 in the case of the example tt(cube) +function. If there are optional arguments only the mandatory +arguments are supplied by this means. ) item(tt([#)var(base)tt(]))( This is not a special command, rather part of normal arithmetic |