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| author | Bart Schaefer <schaefer@zsh.org> | 2024-04-01 22:38:27 -0700 |
|---|---|---|
| committer | Bart Schaefer <schaefer@zsh.org> | 2024-04-01 22:38:27 -0700 |
| commit | 49c6978dbbb717847344e7cef99e4ee26f56d234 (patch) | |
| tree | be805c3ddda549eedebaf3c62ad13dcde8d64153 /Doc | |
| parent | 76019f71742fab725011e4fd0402e941544cf5ab (diff) | |
| download | zsh-49c6978dbbb717847344e7cef99e4ee26f56d234.tar.gz zsh-49c6978dbbb717847344e7cef99e4ee26f56d234.zip | |
52865: Documentation update for 52864
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/Zsh/expn.yo | 13 | ||||
| -rw-r--r-- | Doc/Zsh/params.yo | 4 |
2 files changed, 9 insertions, 8 deletions
diff --git a/Doc/Zsh/expn.yo b/Doc/Zsh/expn.yo index 0e121e784..7eade4a11 100644 --- a/Doc/Zsh/expn.yo +++ b/Doc/Zsh/expn.yo @@ -1937,13 +1937,14 @@ split on tt(IFS) unless the tt(SH_WORD_SPLIT) option is set. cindex(substitution, command, current shell) cindex(substitution, command, non forking) cindex(substitution, nofork) -Substitutions of the form `tt(${|)var(param)tt(|)...tt(})' are similar, +Substitutions of the form `tt(${{)var(param)tt(}) ...tt(})' are similar, except that the substitution is replaced by the value of the parameter named by var(param). No implicit save or restore applies to var(param) -except as noted for tt(REPLY), and var(param) should em(not) be declared -within the command. If, after evaluating the expression, var(param) -names an array, array expansion rules apply. However, tt(REPLY) is -always expanded in scalar context, even if assigned an array. +and var(param) should em(not) be declared within the command. No space +is allowed within `tt(${{)' and space or newline is required after +`tt({)var(param)tt(})'. The var(param) may include a subscript, and if, +after evaluating the expression, var(param) names an array, then array +expansion rules apply to the final substitution. A command enclosed in braces preceded by a dollar sign, and set off from the braces by whitespace, like `tt(${ )...tt( })', is replaced by its @@ -1954,7 +1955,7 @@ Word splitting does not apply unless tt(SH_WORD_SPLIT) is set, but a single trailing newline is stripped unless the substitution is enclosed in double quotes. -Note that because the `tt(${|)...tt(})' and `tt(${ )...tt( })' forms +Note that because `tt(${|)...tt(})' and the two related substitutions must be parsed at once as both string tokens and commands, all other braces (`tt({)' or `tt(})') within the command either must be quoted, or must appear in syntactically valid pairs, such as around complex diff --git a/Doc/Zsh/params.yo b/Doc/Zsh/params.yo index 9516c84de..02ce796a9 100644 --- a/Doc/Zsh/params.yo +++ b/Doc/Zsh/params.yo @@ -1032,8 +1032,8 @@ the shell. ) item(tt(cmdsubst))( Command substitution using of the tt(`)var(...)tt(`), -tt($+LPAR())var(...)tt(RPAR()), tt(${ )var(...)tt( }) or -tt(${|)var(...)tt(}) constructs. +tt($+LPAR())var(...)tt(RPAR()),tt(${{)var(name)tt(}) var(...)tt(}), +tt(${|)var(...)tt(}), or tt(${ )var(...)tt( }) constructs. ) item(tt(equalsubst))( The tt(=+LPAR())var(...)tt(RPAR()) form of process substitution. |