Hello,
below is the df output from Solaris.
test@test# df -h .
Filesystem size used avail capacity Mounted on
rpool/app/oracle 20G 14G 5.7G 72% /app/oracle
I need to get just the capacity --> 72
So far:
df -h /app/oracle |grep -v Filesystem | awk '{print $(NF-1)}'
Output ---> 72%
a)How do I remove the first line, instead of grep -v Filesystem?
b)How do I remove the % sign?
Thank you in advance.
try this, and here's a reference to some good awk one-liners, http://www.pement.org/awk/awk1line.txt
df -h /app/oracle | awk '!/Filesystem/{ sub(/%/, ""); print $(NF-1); }'
Use search, you will get lots of threads asking the same.
awk '/%/ {print int($(NF-1))}'
Thank you.
How do I do it instead of
'!/Filesystem/
to specify the first line (NR, FNR?), just for future usage ?
that would be an if statement comparing NR with the line number to ignore. something basically like this.
awk '{if (NR != 1) print int($(NF-1))}'
The same thing :
df -h | awk 'NR>1 { print int($(NF-1)) }'
Jean-Pierre.
df -h /app/oracle |awk '{if (NR != 1) print $(NF-1)}'
Is working properly and outputs 72%
However I am having trouble with the sub command.
I cannot remove the % symbol.
Please help
There are many ways you can do it, e.g. use sub as in unxscorob's first answer, or just pipe it into sed:
df -h /app/oracle |awk '{if (NR != 1) print $(NF-1)}' | sed 's/%//'
df -h /app/oracle | awk '!/Filesystem/{ sub(/%/, ""); print $(NF-1); }'
awk: syntax error near line 1
awk: illegal statement near line 1
add the int() function as in anchal_khare's reply
df -h /app/oracle |awk '{if (NR != 1) print int($(NF-1))}'
Try
df -h /app/oracle | awk '{if (NR != 1) { sub (/%/,""); print $(NF-1)}}'
Still not working
df -h /app/oracle | awk '{if (NR != 1) { sub (/%/,""); print $(NF-1)}}'
awk: syntax error near line 1
awk: illegal statement near line 1
Try nawk instead of awk.
EDIT: (or GNU awk, which apparently is what I'm using)
OK so sub is not available in awk 
However now it workes but gives me part of the header"
Mounted
60
PS: Thanks for your help and sorry for the trouble
---------- Post updated at 03:48 PM ---------- Previous update was at 03:45 PM ----------
Solved ! Thank you all