函数，用于在文件的每个svn修订版中对字符串进行灰显

Posted 2021-02-26

usage: sgrep foo svn://my-svn-server/trunk/my-file.txt

function sgrep() { for r in `svn log $2 | perl -n -e 'print "$1\n" if m/^r(\d*)\s+/'`; do echo "Revision $r:"; svn cat -r $r $2 | grep $1; done; }