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Diffstat (limited to 'Doc/Zsh/expn.yo')
| -rw-r--r-- | Doc/Zsh/expn.yo | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Doc/Zsh/expn.yo b/Doc/Zsh/expn.yo index 0c26a7ca5..bae3736a9 100644 --- a/Doc/Zsh/expn.yo +++ b/Doc/Zsh/expn.yo @@ -1419,9 +1419,20 @@ where var(n1) and var(n2) are integers, is expanded to every number between var(n1) and var(n2) inclusive. If either number begins with a zero, all the resulting numbers will be padded with leading zeroes to -that minimum width. If the numbers are in decreasing order the +that minimum width, but for negative numbers the tt(-) character is also +included in the width. If the numbers are in decreasing order the resulting sequence will also be in decreasing order. +An expression of the form `tt({)var(n1)tt(..)var(n2)tt(..)var(n3)tt(})', +where var(n1), var(n2), and var(n3) are integers, +is expanded as above, but only every var(n3)th number starting from var(n1) +is output. If var(n3) is negative the numbers are output in reverse order, +this is slightly different from simply swapping var(n1) and var(n2) in the case +that the step var(n3) doesn't evenly divide the range. Zero padding can be +specified in any of the three numbers, specifying it in the third can be useful +to pad for example `tt({-99..100..01})' which is not possible to specify by putting a +0 on either of the first two numbers (i.e. pad to two characters). + If a brace expression matches none of the above forms, it is left unchanged, unless the option tt(BRACE_CCL) (an abbreviation for `brace character class') is set. |