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Forum: UNIX for Beginners Questions & Answers 07-01-2019

Finding a word through substring in a file

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Why doesn't .V30M(px_IOP056_VOUT3_IN_V30M)) show...

Why doesn't .V30M(px_IOP056_VOUT3_IN_V30M)) show up in your desired output? Try
grep -o "[[:alnum:]]*\.V30[[:alnum:]()_]*" file
.V30M(px_IOP056_VOUT3_IN_V30M))
.V30M(px_IOP057_VOUT3_OUT_V30M)

Forum: UNIX for Beginners Questions & Answers 06-12-2019

Generation of Regex for Perl script

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$ echo '[string 1 ] apple [ string 2]' | perl -pi...

$ echo '[string 1 ] apple [ string 2]' | perl -pi -e ' s/[[][^]]*]//g; '
apple

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