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| author | Peter Stephenson <p.w.stephenson@ntlworld.com> | 2017-08-24 19:46:20 +0100 |
|---|---|---|
| committer | Peter Stephenson <p.w.stephenson@ntlworld.com> | 2017-08-24 19:46:20 +0100 |
| commit | 97d4bdbc7e86e6e8da0d4a059b118ffab289d3a9 (patch) | |
| tree | 4b00406423534eb1b472ca29401e1683c73d9178 /README | |
| parent | 41565: vcs_info patch2subject: Support `svn log -r N --diff` output. (diff) | |
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41590 modified as 41595: make ERR_RETURN more logical.
It now operates separately at each function depth.
To keep ERR_EXIT global, make the noerrexit variable usd bit flags.
Extend tests.
Diffstat (limited to 'README')
| -rw-r--r-- | README | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -81,6 +81,19 @@ against user defined widgets inadvertently reading from the tty device, and addresses the antisocial behaviour of running a command with its stdin closed. +5) [New between 5.4.1 and 5.4.2] In previous versions of the shell, the +following code: + + () { setopt err_return; false; echo 'oh no' } && true + +printed "oh no", as the ERR_RETURN behaviour was suppressed when +a function was executed on the left hand side of an "&&" list. This was +undocumented and inconvenient as it is generally more useful to consider +execution within a function in isolation from its environment. The shell +now returns from the function on executing `false'. (This is general +to all functions; an anonymous function is shown here for compactness.) + + Incompatibilities between 5.0.8 and 5.3 ---------------------------------------- |