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Remove last string from last line in a file

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# 1  
Old 02-16-2012
Remove last string from last line in a file
Hi,

I have a file like :
Quote:
"0000001"~"name"~"bb"~"20.25"~"0010"~"abc"~
"0000002"~"name"~"dd"~"35.50"~"25"~"x~xx"~
"0000003"~"name"~"aa"~"21.35"~"0056"~"ijk"~
.......................................
.......................................
.......................................
"0005550"~"name"~"k ~ k"~"21.35"~"0096"~"gdsj"~"05550"~
I want to remove last string in last line (here total string is "05550"~). And last line end with ~ character.
Output should be :
Quote:
"0000001"~"name"~"bb"~"20.25"~"0010"~"abc"~
"0000002"~"name"~"dd"~"35.50"~"25"~"x~xx"~
"0000003"~"name"~"aa"~"21.35"~"0056"~"ijk"~
.......................................
.......................................
.......................................
"0005550"~"name"~"k ~ k"~"21.35"~"0096"~"gdsj"~
Please help me

Thanks in advance
# 2  
Old 02-16-2012
Code:
sed '$s|\(.*~\)\".*\"~|\1|' inputfile

# 3  
Old 02-16-2012
Code:
sed '$s/[^~]*~$//'

# 4  
Old 02-16-2012
@Scruti : this time you were quicker than me
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