Re: [PATCH] scripts/bash_aliases: Add man_lsvar(), similar to man_lsfunc() but lists variables

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Hi Alex,

On 5/10/21 9:39 AM, Alejandro Colomar wrote:
> Signed-off-by: Alejandro Colomar <alx.manpages@xxxxxxxxx>

Applied.

Thanks,

Michael


> ---
>  scripts/bash_aliases | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/scripts/bash_aliases b/scripts/bash_aliases
> index c50108a16..813c00960 100644
> --- a/scripts/bash_aliases
> +++ b/scripts/bash_aliases
> @@ -131,6 +131,33 @@ function man_lsfunc()
>  	|uniq;
>  }
>  
> +#  man_lsvar()  prints the name of all C variables declared in the SYNOPSIS
> +# of all manual pages in a directory (or in a single manual page file).
> +# Each name is printed in a separate line
> +# Usage example:  .../man-pages$ man_lsvar man3;
> +
> +function man_lsvar()
> +{
> +	if ! [ -v 1 ]; then
> +		>&2 echo "Usage: ${FUNCNAME[0]} <dir>";
> +		return ${EX_USAGE};
> +	fi
> +
> +	for arg in "$@"; do
> +		man_section "${arg}" 'SYNOPSIS';
> +	done \
> +	|sed_rm_ccomments \
> +	|pcregrep -Mv '(?s)^ [\w ]+ \**\w+\([\w\s(,)[\]*]+?(...)?\s*\); *$' \
> +	|pcregrep -Mn \
> +	  -e '(?s)^ +extern [\w ]+ \**\(\*+[\w ]+\)\([\w\s(,)[\]*]+?\s*\); *$' \
> +	  -e '^ +extern [\w ]+ \**[\w ]+; *$' \
> +	|grep '^[0-9]' \
> +	|grep -v 'typedef' \
> +	|sed -E 's/^[0-9]+: +extern [^(]+ \**\(\*+(\w* )?(\w+)\)\(.*/\2/' \
> +	|sed    's/^[0-9]\+: \+extern .* \**\(\w\+\); */\1/' \
> +	|uniq;
> +}
> +
>  #  pdfman()  renders a manual page in PDF
>  # Usage example:  .../man-pages$ pdfman man2/membarrier.2;
>  
> 


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/



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