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root / bin / flush-files.sh @ 6d91f38e

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#!/bin/sh
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help="# ARGS: number of files to keep, [email address]\n
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# usage: flush files from a folder except a number equal to argument.\n
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# It only prints a warning if scripts-utils.sh is not imported in order to be used
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# from the terminal."
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# Check if scripts-utils.sh is imported.
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if [ -z $scripts_utils ] ; then
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    echo "Import of scripts-utils.sh required."
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    . scripts-utils.sh
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fi
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check_arguments $# 1 "$help"
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backups_number=`ls | wc -l`
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let "number_of_backups_to_delete = backups_number - $1" > /dev/null
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if [ $number_of_backups_to_delete -gt 0 ] ; then
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    ls | head -$number_of_backups_to_delete | xargs rm
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else
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    if [ ! -z $2 ] ; then
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        dir=`pwd`
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        echo "There are not enough files in $dir to Flush it. Check if backup script works fine." | mail -s "[db] $dir has a backup problem" $2
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    fi
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fi