seismic software,very useful
源代码在线查看： sudiff.sh
#! /bin/sh # sudiff, susum, suprod, suquo - interface to suop2 for backward # compatibility # Author: Jack BIN=/usr/local/cwp/bin PATH=/bin:/usr/bin:$BIN cmd=`basename $0` case $cmd in sudiff) case $# in 2) suop2 $1 $2 op=diff ;; *) echo "Usage: sudiff file1 file2" 2>&1; exit 1 ;; esac ;; susum) case $# in 2) suop2 $1 $2 op=sum ;; *) echo "Usage: susum file1 file2" 2>&1; exit 1 ;; esac ;; suprod) case $# in 2) suop2 $1 $2 op=prod ;; *) echo "Usage: suprod file1 file2" 2>&1; exit 1 ;; esac ;; suquo) case $# in 2) suop2 $1 $2 op=quo ;; *) echo "Usage: suquo file1 file2" 2>&1; exit 1 ;; esac ;; esac exit 0
