You are heregrep include lines above and below with awk
grep include lines above and below with awk
awk include lines before
awk 'BEGIN {W=4} {line[i++%W]=$0} /targetstring/{for (j=i-W;j<i;j++) { print line[j%W] }}' file-to-searchawk include lines before and after
awk 'BEGIN {W=5} {line[i++%W]=$0; if (1==x--){for (j=i-W;j
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