Shell Programming and Scripting

 echo "!rm -f "$FILE" || echo $? >> "$SFTPCHECK_PUT_RM >> $commandlist

echo '!'"rm bs2.html  -f \"$FILE\" || echo \$? >> \"$SFTPCHECK_PUT_RM\"" >> $commandlist

# touch file
# ls -ltr file
-rwxr--r-- 1 root root 52 2012-04-06 21:23 file
# chmod -x file  ## remove the executable permission
# [ -x file ] || echo "file is NOT executable"
file is NOT executable

# rpm -qa
..........
........
gtkspell-devel-2.0.11-2.1
gtk+-devel-1.2.10-56.el5
beecrypt-4.1.2-10.1.1
elfutils-devel-static-0.137-3.el5
..................

# grep glibc "..........
........
gtkspell-devel-2.0.11-2.1
gtk+-devel-1.2.10-56.el5
beecrypt-4.1.2-10.1.1
elfutils-devel-static-0.137-3.el5
.................."

#!/bin/bash
## created by: Tommy Dekoster
## on: 15/03/2012
## Purpose: This script will be used om SFTP server via autosys to put files from acces & transit (.edi files)on the VAN server
## exit codes
## exit 6: the sftp connection to VAN server failed
echo "Definition of different exit codes"
echo "=================================="
echo "exit 6 = sftp connection to the VAN server failed"
echo

## variables
## vanuser: username used to connect to the VAN server from the SFTP server
## vanserver: Ip adress or hostname of the VAN server
## tbtsftp: to be treated folder on SFTP (files to be sent from sftp to VAN)
## remotepath_VAN: Directory on the VAN server where files need to be put
## commandlist: List of commands that will be executed over SFTP connection between SFTP1 and VAN server
## SFTPCHECK_PUT_RM: file where the last executed command from the commandlist will be
vanuser=$1
vanserver=$2
tbtsftp=$3
remotepath_VAN=$4
commandlist=$5
SFTPCHECK_PUT_RM=$6
filetype=$7
echo "Definition of different variables"
echo "================================="
echo "vanuser: username used to connect to the VAN server from the SFTP server"
echo "vanserver: Ip adress or hostname of the VAN server"
echo "tbtsftp: to be treated folder on SFTP (files to be sent from sftp to VAN)"
echo "remotepath_VAN: Directory on the VAN server where files need to be put"
echo "commandlist: List of commands that will be executed over SFTP connection between SFTP1 and VAN server"
echo "SFTPCHECK_PUT_RM: file where the last executed command from the commandlist will be"
echo "filetype: the type of files wich need to be moved/sftp'd"
echo
echo "Values of variables"
echo "==================="
echo "vanuser: "$vanuser
echo "vanserver: "$vanserver
echo "tbtsftp: "$tbtpath
echo "remotepath_VAN: "$remotepath_VAN
echo "commandlist: "$commandlist
echo "SFTPCHECK_PUT_RM: "$SFTPCHECK_PUT_RM
echo "filetype: "$filetype
echo
echo

## The actual procedure starts here
## Invalid files will be moved to a directory
## The old commandlist and sftp_put_rm checklist will be cleaned
## A commandlist containing put, rm, check on rm error will be created
## The generated commandlist will be executed over sftp
echo "Start of actual procedure"
echo "========================="
echo "Searching files other then ."$filetype" in "$tbtsftp" and move them to /tmp/invalid_filetype"
mkdir -p /tmp/invalid_filetype
find $tbtsftp -type f -not -name "*."$filetype -exec mv {} /tmp/invalid_filetype/ \;
echo
echo
echo "Deleting old commandlist if exists"
echo > $commandlist
echo
echo "Deleting old checkfile"
echo > $SFTPCHECK_PUT_RM
echo
echo "Creating commandlist"
echo
for FILE in `ls -tr $tbtsftp`
        do
                echo "put "$FILE
                echo "cd "$remotepath_VAN >> $commandlist
                echo "put "$FILE >> $commandlist
                echo "!rm -f "$FILE
                echo '!'"rm -f \"$FILE\" || \$? >> \"$SFTPCHECK_PUT_RM\"" >> $commandlist
        done
echo
echo "Executing commandlist over sftp"
echo
sftpconnect=$vanuser@$vanserver
cd $tbtsftp
sftp -b $commandlist $sftpconnect 2>&1
## Build in retry if initial connection doesnt work
        if [ $? != '0' ]; then
                echo First sftp connection failed, trying again.
                sftp -b $commandlist $sftpconnect 2>&1
                if [ $? != '0' ]; then
                        echo There is a problem connecting to the VAN server
                        echo Preforming ping
                        ping $vanserver -c 1
                        exit 6
                fi
        fi