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Diffstat (limited to 'README')
| -rw-r--r-- | README | 39 |
1 files changed, 39 insertions, 0 deletions
@@ -121,6 +121,45 @@ Previously, only "typeset" commands were output, never using "-g". <Tab> would be accepted to mean [Y]. Now <Space> and <Tab> are invalid choices: typing either of them remains at the prompt. +9) The $ary[i,j] subscript syntax to take a slice of an array behaves +differently when both i and j are larger than the number of elements in +the array. When i == j, such a slice always yields an empty array, and +when i < j it always yields an array of one empty string element. The +following example illustrates how this differs from past versions. + + nargs() { print $# } + a=(one two) + for i in 1 2 3 4; do + for j in 1 2 3 4 5; do + print -n "$i $j => " + nargs "${(@)a[i,j]}" + done + done + + 5.2 | 5.3 ** + ----------+---------- + 1 1 => 1 | 1 1 => 1 + 1 2 => 2 | 1 2 => 2 + 1 3 => 2 | 1 3 => 2 + 1 4 => 2 | 1 4 => 2 + 1 5 => 2 | 1 5 => 2 + 2 1 => 0 | 2 1 => 0 + 2 2 => 1 | 2 2 => 1 + 2 3 => 1 | 2 3 => 1 + 2 4 => 1 | 2 4 => 1 + 2 5 => 1 | 2 5 => 1 + 3 1 => 0 | 3 1 => 0 + 3 2 => 0 | 3 2 => 0 + 3 3 => 0 | 3 3 => 0 + 3 4 => 0 | 3 4 => 1 ** + 3 5 => 0 | 3 5 => 1 ** + 4 1 => 0 | 4 1 => 0 + 4 2 => 0 | 4 2 => 0 + 4 3 => 0 | 4 3 => 0 + 4 4 => 1 | 4 4 => 0 ** + 4 5 => 1 | 4 5 => 1 + + Incompatibilities between 5.0.8 and 5.2 --------------------------------------- |