Shell Programming and Scripting

aly300.sh
axt300.sh
arv300.sh
clp300.sh
ctth300.sh
aly400.sh
axt400.sh
arv400.sh
clp400.sh
ctth400.sh
aly500.sh
axt500.sh
arv500.sh
clp500.sh
ctth500.sh

1. If commented, then remove the comment(remove the "#")
2. If Not present, add the line to the last line of the script 
  (The line should be ~/bin/chk_env.sh)

 
#!/bin/ksh
 
cd /axxhome/prdv/script
if [[ $? -ne 0 ]]
then
   echo "cd error"
fi
for i in *.sh
do
   # look at only 300, 400, and 500 scripts
   if echo "$i" |egrep '300|400|500' > /dev/null
   then
      # delete the string
      sed 's|^\~/bin/chk_env.sh||g' $i > $i.tmp
      # delete the commented string
      sed 's|^#\~/bin/chk_env.sh||g' $i.tmp > $i.tmp1
      # add the string
      echo "~/bin/chk_env.sh" >> $i.tmp1
      # rename when it works
      #mv $i.tmp1 $i
   fi
done

# delete the string
      sed 's|^\~/bin/chk_env.sh||g' $i > $i.tmp

 
for i in *300.sh *400.sh *500.sh
do
   grep -v "/bin/chk_env.sh" $i > ${i}.tmp
   echo '~/bin/chk_env.sh' >> ${i}.tmp
   mv $i ${i}.old && mv ${i}.tmp $i
done

cat replace.sh
sed -i 's|#/bin/chk_env.sh|/bin/chk_env.sh|g' $1
grep -l '/bin/chk_env.sh' $1
if [[ $? != 0 ]]
then
        echo "/bin/chk_env.sh" >> $1
fi

find . -type f -name "*300.sh" -exec ./replace.sh \;