UNIX for Advanced & Expert Users

[house@leonov] df -h .
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda4             375G  140G  236G  38% /home
[house@leonov] df -h . | tail -1 | awk -F ' ' '{print $5}' | sed 's/\%//'
38

 df -h . |tail -1 |cut -d'%' -f1 |awk '{print \$NF}'

df -h . |tail -1 |cut -d'%' -f1 |awk '{print $4}'

[root@localhost ~]# df -h . |tail -1 |cut -d'%' -f1 |awk '{print $NF}'
57

[root@localhost ~]# ssh localhost "df -h . |tail -1 |cut -d'%' -f1 |awk '{print $NF}'"
root@localhost's password: 
/dev/sda5              29G   16G   13G  57

[root@localhost ~]# ssh localhost "df -h . |tail -1 |cut -d'%' -f1 |awk '{print \$NF}'"
root@localhost's password: 
57

[root@localhost ~]# ssh localhost << EOF
> df -h . |tail -1 |cut -d'%' -f1 |awk '{print $4}'
> EOF
Pseudo-terminal will not be allocated because stdin is not a terminal.
root@localhost's password: 
/dev/sda5              29G   16G   13G  57

" df -h . |tail -1 |cut -d'%' -f1 |awk '{print \$NF}' "

if [ `df -h . |tail -1 |cut -d'%' -f1 |awk '{print \$NF}'` -ge 85 ]; then
echo -e "File system is  above 85% full, hence removing the below files..."
find . -name "*.log.gz" -mtime +10
#find . -name "*.log.gz" -mtime +10  -exec rm -f {} \;
echo -e "File system is 100% full, hence compressing the below files..."
find . -name "*.log" -mtime +7
#find . -name "*.log" -mtime +7  -exec gzip {} \;

fs_usage=`df -h . |tail -1 |cut -d'%' -f1 |awk '{print \$NF}'`

if [ `df -h . |tail -1 |cut -d'%' -f1 |awk '{print \$NF}'` -ge 85 ]; then

if [ \$(df -h . |tail -1 |cut -d'%' -f1 |awk '{print \$NF}') -ge 85 ]; then