to replace one character by numbers in a file

cdfd123 · #1 (**permalink**) 10-05-2007

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

vino · #2 (**permalink**) 10-05-2007

Code:

sed -n -e "s/\(.*\)-\([^ ]* \)\(.*\)/\1\3\2/p" input.txt

cdfd123 · #3 (**permalink**) 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]????

ghostdog74 · #4 (**permalink**) 10-05-2007

Code:

 # awk '{sub("-",$3,$2);$3=""}1' "file"
aas P123H
gdg O223U
hdy I12Y
fgd K333O
ssa L32P

cdfd123 · #5 (**permalink**) 10-05-2007

Quote:

Originally Posted by vino

Code:

sed -n -e "s/\(.*\)-\([^ ]* \)\(.*\)/\1\3\2/g" input.txt

sorry not working......
Regards

ghostdog74 · #6 (**permalink**) 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..

vino · #7 (**permalink**) 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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