Pragmatic directives: Difference between revisions
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→{{header|Perl}}: Add Python __future__ |
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>>> </lang> |
>>> </lang> |
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=={{header|UNIX Shell}}== |
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;List of pragmatic directives: |
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* -v output the script line before it is executed |
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* -x output the command line arguments |
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;Utilization: |
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Pragmatic directives remain effective, until they are deactivated, or the end of the script is reached: |
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<lang sh>set -vx # Activate both script line output and command line arguments pragma |
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set +vx # Deactivate both pragmatic directives</lang> |
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{{omit from|Tcl}} |
{{omit from|Tcl}} |