Shell Programming and Scripting

banana-1-16-2012
banana-1-16-2012

crape-1-13-2012 <---delete
crape-1-15-2012 <---delete

cd /path/to/usb
find . -type d | 
     awk ' arr[$0]++; END {for (i in arr){if(arr[i]>1){print i}  } } > tmp.tmp
while read dir
do
   rm -R $dir
done < tmp.tmp

#!/bin/bash
# edit above line to the path to bash
#command to find is: "which bash"
#
##############set your variables below###########
# prefix is the prefix of the filename,
# example filename: server1-07-20-2011.bak, the prefix would be: server1
# numtokeep is the number of backups you would like to preserve
# backupFolder is the location of your backup files, exclude trailing slash
#
prefix=poop
numtokeep=3
backupFolder=/home/dustin/test
#################################################
#
#  go to backup folder just to be safe
cd $backupFolder
#
# count how many files are in backup folder, and set to a variable
filecount=`ls -l $backupFolder/$prefix* | wc -l`
#
# checking to see if number of backups is greater than number to keep
if [ $filecount -gt $numtokeep ]
        then
                extras=$(($filecount - $numtokeep))
                echo "leaving $numtokeep, deleting $extras"
                for counter in $(ls -ltr $backupFolder/$prefix* |  head -n $extras | awk '{ print $8 }')
                do
                        if [ "$1" == "--test" ]
                        then
                                echo "Will delete: $counter"
                        else
                                echo "deleting: $counter"
                                rm -R $counter
                                if [ $? != 0 ] ; then
                                echo "Error deleting: $counter"
                                else
                                echo "Successfully deleted: $counter"
                                fi
                        fi
                done
        else
                echo "not enough backups to delete"
fi

ls |sort -t \- -k1,1 -k4,4nr -k2,2nr -k3,3nr |awk -F \- '++a[$1]>2' |xargs rm -rf

filecount=`ls -l $backupFolder/$prefix* | wc -l`

filecount=`ls -d $backupFolder/$prefix* | wc -l`

for counter in $(ls -ltr $backupFolder/$prefix* |  head -n $extras | awk '{ print $8 }')

#!/bin/bash
# edit above line to the path to bash
#command to find is: "which bash"
#
##############set your variables below###########
# prefix is the prefix of the filename,
# example filename: server1-07-20-2011.bak, the prefix would be: server1
# numtokeep is the number of backups you would like to preserve
# backupFolder is the location of your backup files, exclude trailing slash
#
prefix=poop
numtokeep=3
backupFolder=/home/partimag
#################################################
#
#  go to backup folder just to be safe
cd $backupFolder
#
# count how many files are in backup folder, and set to a variable
filecount=`ls -d $backupFolder/$prefix* | wc -l`
#
# checking to see if number of backups is greater than number to keep
if [ $filecount -gt $numtokeep ]
        then
                extras=$(($filecount - $numtokeep))
                echo "leaving $numtokeep, deleting $extras"
                for counter in $(ls -dlt $backupFolder/$prefix* |  head -n $extras | awk '{ print $9 }')
                do
                        if [ "$1" == "--test" ]
                        then
                                echo "Will delete: $counter"
                        else
                                echo "deleting: $counter"
                                rm -R $counter
                                if [ $? != 0 ] ; then
                                echo "Error deleting: $counter"
                                else
                                echo "Successfully deleted: $counter"
                                fi
                        fi
                done
        else
                echo "not enough backups to delete"
fi

 for counter in $(ls -dltr $backupFolder/$prefix* |  head -n $extras | awk '{ print $9 }')