On 06.02.2010 14:17, Javier Barroso wrote: > On Fri, Feb 5, 2010 at 7:10 PM, Chris Jackson <c.jack...@shadowcat.co.uk> > wrote: >> Dotan Cohen wrote: >> >>> I'm scripting a backup solution, the line that does the business looks >>> like this: >>> >>> tar -zcvf - * --exclude-from $EXCLUDES | openssl des3 -salt -k $1 | >>> dd of=$(hostname)-$(date +%Y%m%d).tbz >>> >>> Because of the "v" flag tar writes to stdout the name of each file >>> copied. How can I get that output redirected to a variable, to use >>> later in the script? >>> >>> Thanks! >>> >> >> >> Use $() like you do with the date command. You have to redirect stderr back >> to stdout, which means running it in a subshell: >> >> >> FILES=$( ( tar -zcvf - * --exclude-from $EXCLUDES | openssl des3 -salt -k >> $1 | dd of=$(hostname)-$(date +%Y%m%d).tbz ) 2>&1 ) >> >> It may cause unexpected results if there're spaces in the filenames though. > > If there are spaces in filenames, you can try: > > $ n=0; while read l; do files[n]="$l"; ((n++)); done < <((tar -zvcf - > * | openssl > $(hostname)-$(date +%Y%m%d)) 2>&1) > > Regards, > > Warning:
~# read < <(printf "%s\n" " foo bar ") ~# printf "'%s'\n'" "$REPLY" ' foo bar ' ~# read l < <(printf "%s\n" " foo bar ") ~# printf "'%s'\n'" "$l" 'foo bar' read strips of leading and trailing spaces. use the $REPLY variable to avoid that. rare conditions of newline in filenames is not covered... Best regards Mart -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
