On 08/05/2010 10:44 AM, David wrote: > > I'm having a problem with perl *and* sed with a particular replace line. The > lines I'm trying to search for, and replace, both have "/" characters, which > is completely killing me. > > line="password requisite /lib/security/$ISA/pam_cracklib.so retry=3" > newline="password required /lib/security/$ISA/pam_cracklib.so minlen=8 > dcredit=-1 ucredit=-1 lcredit=0 minclass=3 retry=3" > > I need to maintain whitespace, too. > > perl -p -i -e s/"$line"/"$newline"/ file > > That tosses out all kinds of errors, since perl believes the first "/lib" > line to be the next delimiter. Even using the magical \Q and \E things > doesn't work. AARRGGHH!!! > > Sed seems to have the same problem. Anyone have any ideas on how I can get > this to work? And yes, unfortunately, I need to use the variables.
Try something like $ sed -e "s|$line|$newline|" file You probably also want to define your variables like line='password ...' so that the shell preserves the literal value of $.
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