implemented switch ... case .. default ..
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22
README.md
22
README.md
@ -476,7 +476,9 @@ The following words are reserved and cannot be used as a variable name, a parame
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- BEGIN
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- END
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- break
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- case
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- continue
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- default
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- delete
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- do
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- else
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@ -494,6 +496,7 @@ The following words are reserved and cannot be used as a variable name, a parame
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- printf
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- return
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- while
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- switch
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However, some of these words not beginning with `@` can be used as normal names in the context of a module call. For example, `mymod::break`. In practice, the predefined names used for built-in commands, functions, and variables are treated as if they are reserved since you can't create another definition with the same name.
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@ -633,7 +636,7 @@ BEGIN {
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Hawk supports various control structures for flow control and iteration, similar to those found in awk.
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The `if` statement in Hawk follows the same syntax as in awk and other programming languages. It allows you to execute a block of code conditionally based on a specified condition.
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The `if` statement follows the same syntax as in awk and other programming languages. It allows you to execute a block of code conditionally based on a specified condition.
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```awk
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if (condition) {
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@ -645,7 +648,18 @@ if (condition) {
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}
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```
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The `while` loop in Hawk is used to repeatedly execute a block of code as long as a specific condition is true.
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The `switch` statement allows the result of an expression to be tested against a list of values.
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```awk
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switch (expression) {
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case value:
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## statements
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...
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default:
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## statements
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}
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```
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The `while` loop is used to repeatedly execute a block of code as long as a specific condition is true.
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```awk
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while (condition) {
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# statements
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@ -659,13 +673,13 @@ do {
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} while (condition)
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```
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The `for` loop in Hawk follows the same syntax as in awk and allows you to iterate over a range of values or an array.
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The `for` loop follows the same syntax as in awk and allows you to iterate over a range of values or an array.
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```awk
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for (initialization; condition; increment/decrement) {
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## statements
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}
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```
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You can also use the for loop to iterate over the elements of an array:
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You can also use the `fo`r loop to iterate over the elements of an array:
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```awk
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for (index in array) {
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## statements using array[index]
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