Shell Programming and Scripting

file system    kbytes   used   avail  %used Mounted on
/dev/sample/   45765   40000 5765  50%    /
/dev/filesys/   30000    20000 1000  80%    /u
....
....

vi test.ksh
### saving Output to a file named test1 for df.
 
df | grep -v "%used Mounted on" > test1
 
#### Threshould value here.
THD=70
while read line
do
  a=`echo $line | awk '{print$1}' | cut -f1 -d %`
  b=`echo $line | awk '{print$2}'`
  if [[ $a -ge $THD ]]
  then
    echo $b "is having more than 70% value please check."
    echo "Call function here."
  fi
done < "test1"

syntax error at line 11: ``' is not matched.

a=$(echo $line | awk '{print$1}' | cut -f1 -d %)

a=$(echo $line | awk '{split($1,a,"%");print a[1]}')

a=$(awk '{split($1,a,"%");print a[1]}' <<< $line )