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30 lines
774 B
Perl
Executable File
30 lines
774 B
Perl
Executable File
#!/usr/bin/perl -w
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# copy a file if it is both newer and bigger in size
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# if copying, first rename older file to .orig
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$src = $ARGV[0];
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$dst = $ARGV[1];
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# dev,ino,mode,nlink,uid,gid,rdev,size,atime,mtime,ctime,blksize,blocks
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@srcstat = stat($src);
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@dststat = stat($dst);
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$srcsize = $srcstat[7];
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$srcmtime = $srcstat[9];
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$dstsize = $dststat[7];
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$dstmtime = $dststat[9];
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# copy if src file is bigger and newer
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if ($srcsize > $dstsize && $srcmtime > $dstmtime) {
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print "mv -f $dst $dst.orig\n";
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system("mv -f $dst $dst.orig");
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print "cp -p $src $dst\n";
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system("cp -p $src $dst");
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die "cp command failed" if ($? != 0);
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}
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# make sure dst file has newer timestamp
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if ($srcmtime > $dstmtime) {
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print "touch $dst\n";
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system("touch $dst");
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}
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exit(0);
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