[SOLVED] Remove double characters

Aomine Daiki · 06-23-2015, 05:52 AM

in a text file I have a lot of double characters how I can remove all.
Expl: if i have:

Code:

abcddef ghijkk lmenoo ()/\\ +-==

i need to have a result like this:

Code:

abcdef ghijk lmeno ()/\ +-=

mina86 · 06-23-2015, 06:09 AM

Code:

man fopen
man getchar
man putchar

are your friends.

danielbmartin · 06-23-2015, 06:19 AM

With this InFile ...

Code:

abcddef ghijkk lmenoo ()/\\ +-==
hooww noww bbrownn ccow

... this sed ...

Code:

sed 's/\(.\)\1/\1/g' $InFile >$OutFile

... produced this OutFile ...

Code:

abcdef ghijk lmeno ()/\ +-=
how now brown cow

Daniel B. Martin

danielbmartin · 06-23-2015, 06:22 AM

With this InFile ...

Code:

abcddef ghijkk lmenoo ()/\\ +-==
hooww noww bbrownn ccow

... this tr ...

Code:

tr -s "[:graph:]" <$InFile >$OutFile

... produced this OutFile ...

Code:

abcdef ghijk lmeno ()/\ +-=
how now brown cow

Daniel B. Martin