Use grep -E over egrep
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`egrep` has been deprecated in GNU grep since version 2.5.3 (2007) and since version 3.8 emits a warning[1] > egrep: warning: egrep is obsolescent; using grep -E Avoid this warning by following its suggestion. [1] https://lists.gnu.org/archive/html/info-gnu/2022-09/msg00001.html
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egrephas been deprecated in GNU grep since version 2.5.3 (2007) and since version 3.8 emits a warning[1]Avoid this warning by following its suggestion.
[1] https://lists.gnu.org/archive/html/info-gnu/2022-09/msg00001.html