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executable file 47 lines (38 sloc) 1.189 kb
#!/bin/bash
# Create an empty file in /mnt and activate it as a swap
# Author: Tomas M <http://www.slax.org>
# Modified for Porteus by fanthom
#
if [ `whoami` != "root" ]; then
echo "Please enter root's password below"
mod=`readlink -f $1`
mod2=`readlink -f $2`
su - -c "/opt/porteus-scripts/mkfileswap $mod $mod2"
exit
fi
SWAPFILE=$(readlink -f "$1")
SWAPSIZE="$2"
if [ $(($SWAPSIZE)) -lt 1 ]; then
echo >&2
echo "mkfileswap - create swap as a file in writable filesystem" >&2
echo "usage: $0 [/mnt/partition/new_name.swap] [size MB]" >&2
echo >&2
exit 1
fi
if [ -d "$SWAPFILE" ]; then
echo "$SWAPFILE is a directory, use $SWAPFILE/porteus.swp instead" >&2
exit 2
fi
if [ "$(echo "$SWAPFILE" | egrep "^/mnt")" = "" ]; then
echo "you must use path in /mnt, I am sorry" >&2
exit 3
fi
echo "Creating empty file $SWAPFILE, size $SWAPSIZE MB"
dd if=/dev/zero of=$SWAPFILE count=$SWAPSIZE bs=1M 2>/dev/null
if [ "$?" -ne 0 ]; then exit 4; fi
echo "Formating the file with Linux Swap filesystem..."
mkswap $SWAPFILE >/dev/null
if [ "$?" -ne 0 ]; then exit 5; fi
echo "Activating swap..."
swapon $SWAPFILE
if [ "$?" -ne 0 ]; then exit 6; fi
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