# insert a blank line above every line which matches "regex" sed '/regex/{x;p;x;}' OR sed '/regex/{x;G;}' # insert a blank line below every line which matches "regex" sed '/regex/G' # insert a blank line above and below every line which matches "regex" sed '/regex/{x;p;x;G;}' # remove the header of a file
sed '/1,1d' filename
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1 comment:
It was very nice article and it is very useful to Linux learners.We also provide Linux online training
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