Removing whiteline spaces using awk

kdelover · 12-11-2009, 06:09 AM

Hello all,

I am trying to read the file names from the output of tar command.

Code:

-rw-r--r-- 1 hal9000 hal9000 133 2009-12-01 21:06 array.pl
-rw-r--r-- 1 hal9000 hal9000 372736 2009-11-19 01:18 unix/linux/perl/perlscripts/lol.pl

I'm getting the filename using awk by printing the 8th column,the result is unix/linux/perl/perlscripts/lol.pl and array.pl

If there are multiple spaces(if dir names have spaces in them) in the output for ex:

Code:

-rw-r--r-- 1 hal9000 hal9000 372736 2009-11-19 01:18 unix/linux/perl/perl scripts/my scripts for perl/lol.pl

then the printing 8th col yields only unix/linux/perl/perl. Can any one show me how to squeeze the whitespaces that come after 8th column and merge it with the 8th column? I want the final output to be

Code:

unix/linux/perl/perlscripts/myscriptsforperl/lol.pl

Thanks.

ghostdog74 · 12-11-2009, 06:13 AM

Code:

awk '{for(i=1;i<=7;i++)$i=""}1'

if you mind the white spaces, remove yourself using gsub/sub.

or you can use cut

Code:

cut -d " " -f8-

kdelover · 12-11-2009, 06:39 AM

Thanks ghosts,what i want to do here is where ever there is a whitespace in the directory name i want to squeeze.

Code:

hal9000@wsx04:~$ tar -tvf test.rar
-rw-r--r-- hal9000/hal9000         0 2009-12-11 17:57 TEST/B/lol.txt
drwxr-xr-x hal9000/hal9000         0 2009-12-11 17:57 TEST/the linux project/
-rw-r--r-- hal9000/hal9000         0 2009-12-11 17:57 TEST/the linux project/helloworld.sh
-rw-r--r-- hal9000/hal9000         0 2009-12-11 17:57 TEST/the linux project/helloworld.py
-rw-r--r-- hal9000/hal9000         0 2009-12-11 17:57 TEST/B/helloworld.txt

when i do awk -F" " '{print $6}' it prints the .txt files that is lol and helloworld,but doesnt print the .sh and .py files. Is there any way that i can print the columns that come after 5th column as one column by merging?

I tried awk '{for(i=1;i<=7;i++)$i=""}1' it prints only

Code:

project/
project/helloworld.sh
project/helloworld.py

as the output,but i wisht to print the other files as well.

Thanks.

kdelover · 12-11-2009, 08:07 AM

ok i guess i found the solution for it

Quote:

awk -F" " '{print $1,$2,$3,$4,$6$7$8}'

printing the columns without commas is working,is there any way i can provide a range here as in print from column 6 to column 10? instead of using $6$7$8$9$10.

Thanks