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Forum: UNIX for Dummies Questions & Answers 12-04-2014

Grep -C option not available

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egrep -C 1 you can emulate with awk: awk '$0~s...

egrep -C 1 you can emulate with awk:
awk '$0~s {if (bb) {print b; bb=0}; print; if (getline) print; next} {b=$0; bb=1}' s="555" test.txt
(In Solaris, you need nawk or /usr/xpg4/bin/awk)

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