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| author | Peter Stephenson <p.stephenson@samsung.com> | 2022-12-12 10:27:29 +0000 |
|---|---|---|
| committer | Peter Stephenson <p.stephenson@samsung.com> | 2022-12-12 10:27:29 +0000 |
| commit | 14559421e2a054f9b09d6fa1971158a5e7e162a6 (patch) | |
| tree | 996941967365c95cb8f60fe10fb7430fdeaf4501 | |
| parent | 2028539cb168d652dfa77e5b85b382c319b3a99a (diff) | |
| download | zsh-14559421e2a054f9b09d6fa1971158a5e7e162a6.tar.gz zsh-14559421e2a054f9b09d6fa1971158a5e7e162a6.zip | |
51134: document interactive behaviour with ERR_EXIT and ERR_RETURN
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | Doc/Zsh/options.yo | 8 |
2 files changed, 12 insertions, 1 deletions
@@ -1,3 +1,8 @@ +2022-12-12 Peter Stephenson <p.stephenson@samsung.com> + + * 51134: Doc/Zsh/options.yo: document interactions between + ERR_EXIT and ERR_RETURN and interactive shells. + 2022-12-09 Bart Schaefer <schaefer@zsh.org> * 51161: Src/exec.c: correct errno after closing xtrace FD diff --git a/Doc/Zsh/options.yo b/Doc/Zsh/options.yo index 445052617..e92969531 100644 --- a/Doc/Zsh/options.yo +++ b/Doc/Zsh/options.yo @@ -1744,6 +1744,9 @@ Exiting due to tt(ERR_EXIT) has certain interactions with asynchronous jobs noted in ifzman(the section JOBS in zmanref(zshmisc))\ ifnzman(noderef(Jobs & Signals)). + +Note this behaviour is not disabled in interactive shells --- +a non-zero status on the command line causes the shell to exit. ) pindex(ERR_RETURN) pindex(NO_ERR_RETURN) @@ -1756,7 +1759,10 @@ If a command has a non-zero exit status, return immediately from the enclosing function. The logic is similar to that for tt(ERR_EXIT), except that an implicit tt(return) statement is executed instead of an tt(exit). This will trigger an exit at the outermost level of a -non-interactive script. +non-interactive script. At the top level of an interactive shell, +it will trigger a return to the command prompt; in other +words, the sequence of commands typed by the user may be +thought of as a function for this purpose. Normally this option inherits the behaviour of tt(ERR_EXIT) that code followed by `tt(&&)' `tt(||)' does not trigger a return. Hence |