Shell Programming and Scripting

a=`/directory/subdirectory/ | wc -l`
echo "/directory/subdirectory :$a"
b=`/another_dir/subdir/ | wc -l`
echo "/another_dir/subdir :$b"

while

#!/bin/ksh
# usage.shl
for dir in /directory1/subdir directory2/subdir
do
echo "$dir $( du $dir |wc -l)" 
done > ./message
mailx -s 'dir usage' me@mycompany.com < ./message

# five minutes after every hour
5 * * * * *  /path/to/usage.shl 2 > /path/to/usage.log

#!/bin/ksh
# usage.shl

while :
do
 for dir in /directory1/subdir directory2/subdir
 do
   echo "$dir $( du $dir |wc -l)" 
 done > ./message
 mailx -s 'dir usage' me@mycompany.com < ./message
 sleep 3600
done

 /directory1/subdirectory $( du
 /directory2/subdirectory  |wc -l)

#!/bin/ksh

echo "$dir $( du $dir |wc -l)"

echo "$dir `du $dir |wc -l`"

#!/bin/bash

 echo $SHELL
/bin/bash

#!/bin/bash