cmiller@elder-miller-ubuntu:~/tmp$ echo "A B" > foboar. cmiller@elder-miller-ubuntu:~/tmp$ sed "s/A\ B/1\ 2/" foboar. 1 2
You need to escape the whitespace with a backslash (or backwhack in Microsoft-nese, for those interested). On Mon, Mar 14, 2011 at 10:26 AM, Paul <[email protected]> wrote: > Hello, > > I am struggling to find a solution to the following apparently simple > problem, so any help would be much appreciated. > > Here is a simple example of what I'm trying to do. > > From the console of a linux machine running Fedora-12, if I do > > echo "AB" > file > FILE=file > > sed "s/AB/12/" $FILE > > I get, as expected, > > 12 > > I can also do > > COMMAND="sed s/AB/12/ $FILE" > $COMMAND > > and again I get > > 12 > > So far so good. If, however, I now introduce a space with > > echo "A B" > file > > I'd like to find the setting for COMMAND which is equivalent to > > sed "s/A B/1 2/" $FILE > 1 2 > > I've tried a number of obvious variations, but I can't get any to > work, for example, > > COMMAND="sed s/A B/1 2/ $FILE" > $COMMAND > sed: -e expression #1, char 3: unterminated `s' command > > COMMAND="sed \"s/A B/1 2/\" $FILE" > $COMMAND > sed: -e expression #1, char 1: unknown command: `"' > > COMMAND='sed "s/A B/1 2/" $FILE' > $COMMAND > sed: -e expression #1, char 1: unknown command: `"' > > COMMAND="sed 's/A B/1 2/' $FILE" > $COMMAND > sed: -e expression #1, char 1: unknown command: `'' > > > Thanks, > > Paul > > -- > You received this message because you are subscribed to the Linux Users Group. > To post a message, send email to [email protected] > To unsubscribe, send email to [email protected] > For more options, visit our group at > http://groups.google.com/group/linuxusersgroup -- Registered Linux Addict #431495 For Faith and Family! | John 3:16! fsdev.net 0x5f3759df.org -- You received this message because you are subscribed to the Linux Users Group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] For more options, visit our group at http://groups.google.com/group/linuxusersgroup
