awk / cut: Skip First Two Fields and Print the Rest of Line

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I would like to skip first two or three fields at the the beginning of a line and print the rest of line. Consider the following input:
    This is a test
    Giving back more than we take

I want my input file with the following output:
    a test
    more than we take

How do I printing lines from the nth field using awk under UNIX or Linux operating systems?

You can use the awk command as follows. The syntax is as follows to skip first two fields and print the rest (thanks danliston):
awk '{ $1=""; $2=""; print}' filename
To skip first three fields, enter:
awk '{ $1=""; $2=""; $3=""; print}' filename
You can specify the input field separator too. In this example use ‘:’ as the the input field separator:
awk -F':' '{ $1=""; $2=""; print}' filename

Old solution

My old solution to skip first two fileds and print the rest of line:
echo 'This is a test' | awk '{print substr($0, index($0,$3))}'
You can also use substr:
substr(s, i [, n])
It return the at most n-character substring of s starting at i. If n is omitted, use the rest of s. So:
awk '{print substr($0, index($0,$3))}' <<< 'This is a test'
You can also use the cut command:
echo 'This is a test' | cut -d ' ' -f3-
cut -d ' ' -f3- <<<'This is a test'

Finally, process the file using bash while loop:

while IFS= read -r line
    cut -d ' ' -f3- <<<"$line"
    ### same stuff with awk ###
    ### awk '{print substr($0, index($0,$3))}' <<< "$line" ###
done < "${_input}"

How to create HTML table using awk

Say you have data as follows in a text file called data.txt:

-v	Show version
-d	Set delta value
-o	Set output file name
-i	Set input filename for this command

To create html table code run:

awk 'BEGIN{ print "<table>"}
{ printf "<tr><td>%s</td><td>", $1; $1=""; print $0 "</td></tr>"}
END{ print "</table>"}' data.txt

Sample session:
awk cut Skip First Two Fields and Print the Rest of Line
Please note that you can also use Perl, Python or other shell text processing commands to do the same thing.

Posted by: Vivek Gite

The author is the creator of nixCraft and a seasoned sysadmin, DevOps engineer, and a trainer for the Linux operating system/Unix shell scripting. Get the latest tutorials on SysAdmin, Linux/Unix and open source topics via RSS/XML feed or weekly email newsletter.

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Historical Comment Archive

11 comment

  1. Very useful, thanks. I went for the first Awk option to trim the permissions and filesize off the output of ls -l

    Didn’t know about cut. Time to read the man page! :-)

  2. The awk method works perfectly well if the first three fields are unique. However, if your string was as follows:

    “This This This will break the awk method”

    …. the output will be unchanged since when it indexes the third field, it finds the first.

    The cut method works perfectly well as long as your fields are not separated by more than a single space. It treats multiple spaces as separate fields.

  3. I see this thread is a few years old, but I could not resist adding for the sake of searching the internet for a simple (but less elegant) answer.

    awk '{ $1=""; $2=""; print}' filename

    The above simply uses the default field separator, replaces the content of the first two fields with “nothing”, and prints the modified line. No need to use redirection, awk expects a file as input.

    Note1: The field separators are left in tact, so your output lines begin with two blank spaces. This can be compensated for using substr($0,3) behind the print command.

    Note2: The advantage to this syntax, is “any” field(s) may be ommitted, not just the first X number of fields.

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