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Fairly easy. I'm looking for the simplest approaches in both sed and awk for removing the first line in a file that contains a specific string.

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migrated from Apr 11 '13 at 6:14

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up vote 0 down vote accepted

I guess the easiest solutions then are:


sed -i '0,/string/{//d}' file


awk '/string/ && !p {p++;next}1' file
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These might work for you:

sed 'x;/./{x;b};x;/string/{h;d}' file


awk '/string/ && !p {p++;next}1' file
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using gnu sed:

sed '0,/MYSTRING/{//d;}' file # delete only the first match

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The termination's (;) not needed, is it? – Det Apr 11 '13 at 1:35

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