> OK, fair enough, but why do you need the 'dd' at the end?: > Because I know nothing about shell scripting and I am learning by google, trial and error.
> tar -zcvf - --exclude-from $EXCLUDES * 2>STDERR | openssl des3 -salt > -k $1 > $(hostname)-$(date +%Y%m%d).tbz > > should output tar's stderr to STDERR and tar's output will be piped to > openssl. I am still not clear about STDERR. I need the output (the output from the v flag) in a variable. > Notice how I moved the "*" to the end of tar's command line, btw. > What is the advantage of this? > If you want to redirect the entire command line output to STDERR use > parenthesis around it: > > (tar -zcvf - --exclude-from $EXCLUDES * | openssl des3 -salt -k $1 > > $(hostname)-$(date +%Y%m%d).tbz) 2>STDERR > How about if I need it in the variable COPIED instead of STDERR? >>> Another error I noticed is that you provide the --exclude-from after >>> the '*' which expands to input file names. >>> Then you can redirect stderr to stdout in order to fetch it using >>> back-ticks: >>> >>> tar_stdout_and_stderr=`tar -zcvf out.tar --exclude-from $EXCLUDES * 2>&1` >>> >> >> This is something that I cannot do because of the pipe to encryption. > > I don't see the connection between piping vs. specifying an output > file and putting the list of files to include in the tar at the end of > the line. > I don't either, really, but it looked like a limitation that I was coming up against. Maybe there is a way to do what I need and I don't know it. Thanks. -- Dotan Cohen http://what-is-what.com http://gibberish.co.il Please CC me if you want to be sure that I read your message. I do not read all list mail. _______________________________________________ Linux-il mailing list [email protected] http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
