代码:
#!/bin/bash
# Backs up all files in current directory
# modified within last 24 hours
# in a tarred and gzipped file.
if [ $# = 0 ]
then
echo "Usage: `basename $0` filename"
exit 1
fi
tar cvf - `find . -mtime -1 -type f -print` > $1.tar
gzip $1.tar
exit 0