sed and quoting issue
in [Shell]
|
From: Janis Papanagnou on 11 Aug 2010 11:43 On 11/08/10 16:49, trighole wrote: [...] > > I'd prefer to exut this sed in CSH, as it is in a csh script and > embeded in a loop, it could slow the process to switch from csh to sh > multiple times > > fab Of course you should not switch forth and back between the two shells. But, in the first place, you really shouldn't use csh for scripting; browse the archives for the many reasons why not. Have you tried to use single quotes and exclude the variable expansion; as in sed -e '...'$var'...' - don't recall whether that works in csh. Good luck anyway, whatever you decide. Janis
From: Michael Tosch on 11 Aug 2010 13:08
Janis Papanagnou wrote: > On 11/08/10 16:49, trighole wrote: > [...] >> I'd prefer to exut this sed in CSH, as it is in a csh script and >> embeded in a loop, it could slow the process to switch from csh to sh >> multiple times >> >> fab > > Of course you should not switch forth and back between the two shells. > > But, in the first place, you really shouldn't use csh for scripting; > browse the archives for the many reasons why not. > > Have you tried to use single quotes and exclude the variable expansion; > as in sed -e '...'$var'...' - don't recall whether that works in csh. > > Good luck anyway, whatever you decide. > > Janis sed '...'"$var"'...' is somewhat safer. Or do \" outside the "string" so it becomes "string1"\""string2": sed "s#\(^\.INCLUDE[ \t]*"\""\).*\(noMisMatch\)#\1$MODEL_DIR\2#" -- echo imhcea\.lophc.tcs.hmo | sed 's3\(....\)\(.\{5\}\)3\2\132;s2\(.\)\(\)\(.\)2\3\12g;1s;\.;::;2' |