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28 lines
528 B
Markdown
# The `Wait` commands
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It is a command that waits for completing any running process of given id. if the process id is not given then it waits for all current child processes to complete.
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## Example
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This example shows how the `wait` command works : <br />
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**Step-1**:
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Create a file named "wait_example.sh" and add the following script to it.
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```
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#!/bin/bash
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echo "Wait command" &
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process_id=$!
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wait $process_id
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echo "Exited with status $?"
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```
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**Step-2**:
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Run the file with bash command.
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```
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$ bash wait_example.sh
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```
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