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delete line in file with sed

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# 1  
Old 09-16-2006
delete line in file with sed
sed "/$titlesearch/d" movielist

will delete any line in the file movielist that matches $titlesearch, but this is only a screen print correct ?

how can I have sed to actually delete the line from the file so that it doesnt appear next time I open the file ?

thanks
Steffen
# 2  
Old 09-16-2006
Quote:
Originally Posted by forever_49ers
sed "/$titlesearch/d" movielist

will delete any line in the file movielist that matches $titlesearch, but this is only a screen print correct ?

how can I have sed to actually delete the line from the file so that it doesnt appear next time I open the file ?

thanks
Steffen
Code:
(echo "g/${titlesearch}/d"; echo 'wq') | ex -s movielist

# 3  
Old 09-16-2006
thanks,

you mind explaining your code for me, since I am not quite sure what it does

thanks a lot
Steffen
# 4  
Old 09-16-2006
Quote:
Originally Posted by forever_49ers
thanks,

you mind explaining your code for me, since I am not quite sure what it does

thanks a lot
Steffen
it feeds 2 lines into the 'ex' utility:
Code:
# this line does the 'delete'
"g/${titlesearch}/d"
AND
# this line 'Writes' the file to disk and 'Quits' editing the file
'wq'

'man ex' for more options
# 5  
Old 09-19-2006
that did not work.

ex: command not found

Steffen
# 6  
Old 09-19-2006
sed "/$titlesearch/d" movielist >tmp
mv tmp movielist
# 7  
Old 09-19-2006
thats way better, thanks

Steffen
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