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NiltonVolpato/file.txt

Created January 24, 2018 00:41
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file.txt
- this will be copied to output
- also copied to output
this first line will print a blank line
this line will be ignored
also ignored
- copied to output
- copied to output too
print a blank line
ignored. and so is the blank line below
- copied
@NiltonVolpato
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NiltonVolpato commented Jan 24, 2018 

$ awk '{ if (/^-/) { print; block = 1 } else { if (block) { print "" }; block = 0 } }' input.txt
- this will be copied to output
- also copied to output

- copied to output
- copied to output too

- copied

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