| #!/bin/sh |
| |
| if [ $# != 1 ]; then |
| echo "$0 <output path>" |
| exit 1 |
| fi |
| |
| md5cmd=$(which md5sum) |
| is_md5=0 |
| if [ ! -x "$md5cmd" ]; then |
| md5cmd=$(which md5) |
| if [ -x "$md5cmd" ]; then |
| is_md5=1 |
| else |
| md5cmd=$(which csum) |
| if [ ! -x "$md5cmd" ]; then |
| echo "error: unable to find either 'md5sum', 'md5' or 'csum'" |
| exit 1 |
| fi |
| # Pass options to make csum behave identically to md5sum. |
| md5cmd="${md5cmd} -h MD5 -" |
| fi |
| fi |
| |
| mv $1 $1.bak |
| if [ $is_md5 = "1" ]; then |
| $md5cmd -q < $1.bak > $1 |
| else |
| $md5cmd < $1.bak | cut -d' ' -f 1 > $1 |
| fi |
| rm -f $1.bak |