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[docs] Some rewording to the builtins

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Plus some additional examples.
This commit is contained in:
Fabian Homborg
2018-05-14 00:36:49 +02:00
parent 90023e6dfb
commit ff47b2dad5
11 changed files with 33 additions and 14 deletions
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6
doc_src/case.txt
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@@ -7,7 +7,7 @@ switch VALUE; [case [WILDCARD...]; [COMMANDS...]; ...] end
\subsection case-description Description
`switch` performs one of several blocks of commands, depending on whether a specified value equals one of several wildcarded values. `case` is used together with the `switch` statement in order to determine which block should be executed.
`switch` executes one of several blocks of commands, depending on whether a specified value matches one of several values. `case` is used together with the `switch` statement in order to determine which block should be executed.
Each `case` command is given one or more parameters. The first `case` command with a parameter that matches the string specified in the switch command will be evaluated. `case` parameters may contain wildcards. These need to be escaped or quoted in order to avoid regular wildcard expansion using filenames.
@@ -18,8 +18,7 @@ Note that command substitutions in a case statement will be evaluated even if it
\subsection case-example Example
If the variable \$animal contains the name of an animal, the following
code would attempt to classify it:
Say \$animal contains the name of an animal. Then this code would classify it:
\fish
switch $animal
@@ -40,3 +39,4 @@ end
If the above code was run with `$animal` set to `whale`, the output
would be `mammal`.
If `$animal` was set to "banana", it would print "I have no idea what a banana is".