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I have a multi line text file where each line has the format 

..... Game #29832: ......

I want to append the character '1' to each number on each line (which is different on every line), does anyone know of a way to do this from the command line?

Thanks

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4 Answers 4

Reset to default
6 
sed -i -e 's/Game #[0-9]*/&1/' file

-i is for in-place editing, and & means whatever matched from the pattern. If you don't want to overwrite the file, omit the -i flag.

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4

Using sed:

cat file | sed -e 's/\(Game #[0-9]*\)/\11/'
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2 Comments

UUOC.` sed -e 's/(Game #[0-9]*)/\11/' file`
Fair enough. Some habits die hard.
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sed 's/ Game #\([0-9]*\):/ Game #1\1:/' yourfile.txt
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3 Comments

doesn't work: sed 's/ Game #([0-9]*):/ Game #1\1:/' handHistories1.txt sed: -e expression #1, char 31: invalid reference \1 on `s' command's RHS
@Aly, that works with gnu sed. Depending on your sed version drop the backslash before the ( and ) or see if you have arguments to your sed version to enable that syntax
you had formatted your command as a quote, so the backslashes got eaten up. I made it format like code. The OP wants to append '1', by the way.
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GNU awk

awk '{b=gensub(/(Game #[0-9]+)/ ,"\\11","g",$0); print b }' file
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