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Full Discussion: Remove control characters
Top Forums UNIX for Dummies Questions & Answers Remove control characters Post 29096 by Perderabo on Monday 30th of September 2002 08:47:19 AM
Old 09-30-2002
The vi command that you want is:
:1,$s/.^H//g

And since % is the same as 1,$, I like:
:%s/.^H//g

As ganti (almost) points out the ^H a control-v and a control-h.

And you need that dot. man is using stuff like "_^Hx" to output an underscore, then a backspace and finally an "x". On some devices this will result in an underlined x. If that's not possible, the x will overwrite the underscore. That's why you need to delete the character comes before the ^H.
 

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XTOKID(1)							   User Commands							 XTOKID(1)

NAME
xtokid - Print all tokens found in a source file SYNOPSIS
xtokid [OPTION]... [FILE]... DESCRIPTION
Print all tokens found in a source file. -i, --include=LANGS include languages in LANGS (default: "C C++ asm") -x, --exclude=LANGS exclude languages in LANGS -l, --lang-option=L:OPT pass OPT as a default for language L (see below) -m, --lang-map=MAPFILE use MAPFILE to map file names onto source language -d, --default-lang=LANG make LANG the default source language -p, --prune=NAMES exclude the named files and/or directories --files0-from=F tokenize only the files specified by NUL-terminated names in file F --help display this help and exit --version output version information and exit The following arguments apply to the language-specific scanners: C language: -k,--keep=CHARS Allow CHARS in single-token strings, keep the result -i,--ignore=CHARS Allow CHARS in single-token strings, toss the result -u,--strip-underscore Strip a leading underscore from single-token strings C++ language: -k,--keep=CHARS Allow CHARS in single-token strings, keep the result -i,--ignore=CHARS Allow CHARS in single-token strings, toss the result -u,--strip-underscore Strip a leading underscore from single-token strings Java language: -k,--keep=CHARS Allow CHARS in single-token strings, keep the result -i,--ignore=CHARS Allow CHARS in single-token strings, toss the result -u,--strip-underscore Strip a leading underscore from single-token strings Assembly language: -c,--comment=CHARS Any of CHARS starts a comment until end-of-line -k,--keep=CHARS Allow CHARS in tokens, and keep the result -i,--ignore=CHARS Allow CHARS in tokens, and toss the result -u,--strip-underscore Strip a leading underscore from tokens -n,--no-cpp Don't handle C pre-processor directives Text language: -i,--include=CHAR-CLASS Treat characters of CHAR-CLASS as token constituents -x,--exclude=CHAR-CLASS Treat characters of CHAR-CLASS as token delimiters Perl language: -i,--include=CHAR-CLASS Treat characters of CHAR-CLASS as token constituents -x,--exclude=CHAR-CLASS Treat characters of CHAR-CLASS as token delimiters -d,--dtags Include documentation tags Lisp language: REPORTING BUGS
Report bugs to bug-idutils@gnu.org xtokid - 4.5 August 2012 XTOKID(1)
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