How can I delete every third AND fourth line in a file?
cat test.nmea|awk 'NR%3!=0'
This deletes the 3rd line, or I can delete the fourth but I can't figure out how to delete the 3rd and 4th together. I'm looking for a quick way to make a GPS log half its size.
Hi ,
i have a file with data as below.This is same file. But actual file contains to many rows.
i want to search for a string "Field 039 00" and delete that line and previous 3 lines in that file.. Can some body suggested me how can i do using either sed or awk command ?
Field 004... (7 Replies)
Hi gurus,
I have one file it may contains one line is "START" or "FINISH" either one of them.
I use below command to delete it, but it doens't work.
sed '/^START\|^END/d' <inputfile > outfile
anybody can help me to fix this.
thanks in advance. (12 Replies)
hi all,
i have trackfile.txt which contains the data as
0 /home8/mc09ats/UnixCw/t1
1 /home8/mc09ats/UnixCw/t2
2 /home8/mc09ats/UnixCw/t3
3 /home8/mc09ats/UnixCw/t4
if user says delete 1 then i want to delete 1 /home8/mc09ats/UnixCw/t2
line from... (3 Replies)
How to manipulate first column and reverse the line order in third and fourth column as follws?
For example i have a original file like this:
file1
0.00000000E+000 -1.17555359E-001 0.00000000E+000
2.00000000E-002 -1.17555359E-001 0.00000000E+000
... (1 Reply)
Hello, I have to deal with several files that will be named something like this:
E00001.TXT, E00002.TXT etc.
Each file will have a alpha character on the first position of the first line which I want to place in a variable, then delete the entire line leaving the remainder of text. This new file... (6 Replies)
hi
i hav a file like
121212 asdd d 7 dfsdffdffsdfsdfsdfdf rrretrtrtre
121212 asdd d 5 dfsdffdffsdfsdfsdfdf rrretrtrtre
121212 asdd d 5 dfsdffdffsdfsdfsdfdf rrretrtrtre
121212 asdd d 4 dfsdffdffsdfsdfsdfdf rrretrtrtre
121212 asdd d 6 dfsdffdffsdfsdfsdfdf rrretrtrtre
i need to... (4 Replies)
Hi ,
I have a file it content is like that
/vol.nas/u08/aip_triage/hany/Tesko/:CC::RPAS
/home/biblawh/myscript:CC::RPAS
i need to search for a certain pattern inside that file and delete the line if i find this pattern without redirecting the output into another file .
so i used the... (0 Replies)
What is the easiest way to delete a line from a file?
I have a file that contains list for Domestic and Foreign customers.
I want to delete all lines staring with Foreing.
TIA (4 Replies)