sigrot.2

来自「基于网络编程的例子」· 2 代码 · 共 22 行

#!/bin/bash
# sigrot.sh
# Version 2.0
# Rotate signatures
# Suitable to be run via cron
#############################

sigfile=signature
srcdir=$HOME/doc/signatures
srcfile=$srcdir/$sigfile

old=$(cat $srcdir/num)
let new=$(expr $old+1)

if [ -f $srcfile.$new ]; then
    cp $srcfile.$new $HOME/.$sigfile
    echo $new > $srcdir/num
else
    cp $srcfile.1 $HOME/.$sigfile
    echo 1 > $srcdir/num
fi