awk:awk_loops
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| awk:awk_loops [2020/05/06 19:54] – peter | awk:awk_loops [2020/07/15 09:30] (current) – external edit 127.0.0.1 | ||
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| ===== For loops ===== | ===== For loops ===== | ||
| - | The **for** statement performs some initialization action, then it checks the condition. | + | A **for** statement performs some initialization action, then it checks the condition. |
| If the condition is true, it executes actions, thereafter it performs increment or decrement operation. | If the condition is true, it executes actions, thereafter it performs increment or decrement operation. | ||
| Line 33: | Line 33: | ||
| ===== While Loop ===== | ===== While Loop ===== | ||
| - | The while loop keeps executing the action until a particular logical condition evaluates to true. | + | A **while** loop keeps executing the action until a particular logical condition evaluates to true. |
| AWK first checks the condition; if the condition is true, it executes the action. | AWK first checks the condition; if the condition is true, it executes the action. | ||
| Line 57: | Line 57: | ||
| ===== Do-While Loop ===== | ===== Do-While Loop ===== | ||
| - | The **do-while** loop is similar to the while loop, except that the test condition is evaluated at the end of the loop. | + | A **do-while** loop is similar to the while loop, except that the test condition is evaluated at the end of the loop. |
| In a do-while loop, the action statement gets executed at least once even when the condition statement evaluates to false. | In a do-while loop, the action statement gets executed at least once even when the condition statement evaluates to false. | ||
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| ===== Break Statement ===== | ===== Break Statement ===== | ||
| - | A Break is used to end the loop execution. | + | **Break** is used to end the loop execution. |
| <code awk> | <code awk> | ||
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| ===== Continue Statement ===== | ===== Continue Statement ===== | ||
| - | The **continue** statement is used inside a loop to skip to the next iteration of the loop. | + | A **continue** statement is used inside a loop to skip to the next iteration of the loop. |
| It is useful when you wish to skip the processing of some data inside the loop. | It is useful when you wish to skip the processing of some data inside the loop. | ||
awk/awk_loops.1588794861.txt.gz · Last modified: 2020/07/15 09:30 (external edit)