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wait for specific string from application with timeout
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| timeout -k 1s --preserve-status 0.5s \ | |
| perl -e '$|++; print "bla-bla\n"; sleep(2); print "The end."' \ # placeholder for you process | |
| | perl -pe 'END { exit $status } $status=1; if (/end/) {$status=0; exit;}' | |
| # see explanation in andrey.engineer/posts/en/bash_wait_with_timeout_for_string.html |
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Description is in my blog post