[PLUG] another bash question

[Richard Kurth]

Hello Russ,

I tried this
A=$(uname -n)
sed -e "s/ServerName localhost/ServerName $A/"httpd.conf > httpd.new
mv httpd.new httpd.conf

But it gave me an error message
sed: -e expression #1, char 57: Unknown option to 's'

this works
A=$(uname -n)
sed -e "/ServerName localhost/c\\
ServerName $A" httpd.conf > httpd.new
mv httpd.new httpd.conf


Tuesday, August 06, 2002, 2:19:16 PM, you wrote:


RJ> Why not:

RJ> A=$(uname -n)
RJ> sed -e "s/ServerName localhost/ServerName $A/" < httpd.conf

RJ> Notice that you also need an 's' command for sed (before the first slash). 
RJ> As given, this will only replace the first instance of "ServerName 
RJ> localhost" with "ServerName $A". If you want all instances replaced:

RJ> A=$(uname -n)
RJ> sed -e "s/ServerName localhost/ServerName $A/g" < httpd.conf

RJ> I'm not sure why your redirecting here... You don't need to.

RJ> A=$(uname -n)
RJ> sed -e "s/ServerName localhost/ServerName $A/" httpd.conf >httpd.conf.new
RJ> mv httpd.conf.new httpd.conf

RJ> Will do that I think you are wanting.

RJ> At 02:09 PM 8/6/2002 -0700, you wrote:
>>Ok I removed the backslash after $A so it looks like this
>>A=$(uname -n)
>>  sed -e "/ServerName localhost/c\
>>  ServerName $A
>>  " < httpd.conf
>>
>>  and I still get the
>>  sed: -e expression #1, char 24: Extra characters after command

RJ> Russ Johnson
RJ> http://www.dimstar.net


RJ> Why aren't there any left-handed screwdrivers?



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-- 
Best regards,
 Richard                            mailto:rkurth at starband.net