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Shell Programming and Scripting

to replace one character by numbers in a file

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# 1  
Old 10-05-2007
Java to replace one character by numbers in a file
suppose u have a file

aas P-H 123
gdg O-U 223
hdy I-Y 12
fgd K-O 333
ssa L-P 32

output shud be like that
aas P123H
gdg O223U
hdy I12Y
fgd K333O
ssa L32P

thanks
# 2  
Old 10-05-2007
Code:
sed -n -e "s/\(.*\)-\([^ ]* \)\(.*\)/\1\3\2/p" input.txt

Last edited by vino; 10-05-2007 at 10:06 AM.. Reason: typo
# 3  
Old 10-05-2007
Quote:
Originally Posted by vino
Code:
sed -n -e "s/\(.*\)-\([^ ]* \)\(.*\)/\1\3\2/g" input.txt

But if u have 0-9 digits then
\1\2\3 can we place [0-9]????
# 4  
Old 10-05-2007
Code:
 # awk '{sub("-",$3,$2);$3=""}1' "file"
aas P123H
gdg O223U
hdy I12Y
fgd K333O
ssa L32P

# 5  
Old 10-05-2007
not working......
Quote:
Originally Posted by vino
Code:
sed -n -e "s/\(.*\)-\([^ ]* \)\(.*\)/\1\3\2/g" input.txt

sorry not working......
Regards
# 6  
Old 10-05-2007
Quote:
Originally Posted by cdfd123
sorry not working......
Regards
so are we expected to guess what's wrong? show your error messages..
# 7  
Old 10-05-2007
Quote:
Originally Posted by cdfd123
But if u have 0-9 digits then
\1\2\3 can we place [0-9]????
\1, \2, \3 so on and so forth are placeholders for the sub-regex expressions matched within each \( \) construct of a "s/regex/replacement/g" sed statement.

The sed statement should be
Code:
sed -n -e "s/\(.*\)-\([^ ]* \)\(.*\)/\1\3\2/p" input.txt
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