I tried but does not work:
awk '{print substr($1,1,5)}' | cat filename
You reverse the pipe : The pipe brings the output of previous command to the input of next command. so you should write
but you can apply awk directly to the file like
Hi,
I would like to cut a specific line from a text file and then manipulate the text in that line.
For eg. below is "tmp" file.
-----------------
Tue 07/05/05 00:27:34.333
Tue 07/05/05 00:27:34.333 4 events were processed for customer 315 and will be correctly resolved when 315MERGE is run:... (2 Replies)
I have a shell script and want to assign a value to a variable. The value is the line exctrated from a file using the line number. The line number it is not fix, and could change any time.
I have tried sed, awk, head .. See my script
# Get randome line number from the file
#selectedline = `awk... (1 Reply)
Hello,
I am having trouble extracting a specific line from a file when the line number is known. My first attempt involved grep -n 'hi' (the word 'hi will always be there) to get the line number before the line that I actually want (line 4).
Extra Notes:
-I am working in a bash script.
-The... (7 Replies)
FOLKS ,
i have a text file that is generated automatically of an another korn shell script, i want to bring in the fifth line of the text file in to my korn shell script and look for a particular word in the line . Can you all share some thoughts on this one.
thanks...
Venu (3 Replies)
I have a LOG file which looks like this
Import started at: Mon Jul 23 02:13:01 EDT 2012
Initialization completed in 2.146 seconds.
--------------------------------------------------------------------------------
--
Import summary for Import item: PolicyInformation... (8 Replies)
Hello;
I have this rather tricky problem to solve --(to me, anyways) ..
I am processing the following one liner with tcpdump..
tcpdump -i T3501 -A ether host 00:1e:49:29:fc:c9 or ether host 00:1b:2b:86:ec:1b or ether host 00:21:1c:98:a4:08 and net 149.83.6.0/24 | grep --line-buffered -B... (5 Replies)
In the below perl code I am using tags within each line to extract certain information. The tags that are used are:
STB >0.8 is STRAND BIAS otherwise GOOD
FDP is the second number
GO towards the end of the line is read into an array and the value returned is outputed, in the first line that... (1 Reply)
Hello,
I looked up on google but do not know from which point to start...
I am under ubuntu 18 bionic and Mainfile consists of 25K lines
MainFile:
Test,AAEE9FED3, GGBBDD DD AA X2d Moscow
112233445566aaBBccPPdddEE
Test,AAEE9FED3, GG33DD s00022 Leningrad
11298932566aaBBccPPdddEE... (8 Replies)