Shell Programming and Scripting

user@host:dir% ./test
if: Badly formed number.

#!/bin/tcsh -f
#script check size files systems
set x = `df -h /usr | tail -n1 | awk '{ print( $5 ); }'`
set y = 60%
if ($x >= $y) then
echo "BAD"
else
echo "GOOD"
endif

#!/usr/bin/env tcsh
#script check size files systems
set x = `df -h /usr | tail -n1 | awk '{ print( $5+0 ); }'`  # add +0 to have awk convert to integer
set y = 60

if ($x >= $y) then
     echo "BAD"
else
     echo "GOOD"
endif

if [[ 0040% > 30% ]]

if [[ 0040% -gt 30% ]]

x=60%
y=50%
if (( $x > $y ))
then
    echo "true"
else
    echo "false"
fi

$ ./whichsame %100 %90
not same

$ ./whichsame %100 %100
same

$ cat whichsame
#!/bin/tcsh
set a="$1"
set b="$2"
if ( `echo $a | cut -d'%' -f2` == `echo $b | cut -d'%' -f2` ) then
    echo same
  else
    echo not same
endif

#!/bin/tcsh
set a="$1"
set b="$2"
if ( `echo $a | cut -d'%' -f1` >= `echo $b | cut -d'%' -f1` ) then
    echo same
  else
    echo not same
endif