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11
votes
11answers
5k views
Grep huge number of patterns from huge file
I have a file that's growing about 200,000 lines a day, and it is all formed with blocks of three lines as such:
1358726575123 # key
Joseph Brunner # name
carpenter # job
...
8
votes
3answers
1k views
Is there some sort of PDF to text -converter?
I need PDF files to text so I can search over them in bulk from commandline. Is there some converter for Ubuntu, OBSD or similar distro?
Perhaps related post, OCR with ubuntu here.
3
votes
2answers
286 views
How to skip file in sed if it contains regex?
I currently use the following simplified command to remove trailing whitespace and add a newline at end of file where needed:
find . -type f -exec sed -i -e 's/[ \t]\+\(\r\?\)$/\1/;$a\' {} \+
As ...
0
votes
3answers
509 views
What is the purpose of -e in sed command?
I can't find any documentation about the sed -e switch, for simple replace, do I need it?
e.g.
sed 's/foo/bar/'
VS
sed -e 's/foo/bar/'
