diff --git a/scripts/bash_aliases b/scripts/bash_aliases index 813c00960..7b1b7da9c 100644 --- a/scripts/bash_aliases +++ b/scripts/bash_aliases @@ -85,26 +85,35 @@ function grep_syscall_def() ######################################################################## # Linux man-pages -# man_section() prints a specific manual page section (DESCRIPTION, SYNOPSIS, +# man_section() prints specific manual page sections (DESCRIPTION, SYNOPSIS, # ...) of all manual pages in a directory (or in a single manual page file). -# Usage example: .../man-pages$ man_section man2 SYNOPSIS; +# Usage example: .../man-pages$ man_section man2 SYNOPSIS 'CONFORMING TO'; function man_section() { if ! [ -v 2 ]; then - >&2 echo "Usage: ${FUNCNAME[0]}
"; + >&2 echo "Usage: ${FUNCNAME[0]}
..."; return ${EX_USAGE}; fi - find "${1}" -type f \ - |xargs grep -l "\.SH ${2}" \ + local page="$1"; + shift; + local sect="$@"; + + find "${page}" -type f \ + |xargs wc -l \ + |grep -v -e '\b1 ' -e '\btotal\b' \ + |awk '{ print $2 }' \ |sort -V \ |while read -r manpage; do - <${manpage} \ - sed -n \ - -e '/^\.TH/,/^\.SH/{/^\.SH/!p}' \ - -e "/^\.SH ${2}/p" \ - -e "/^\.SH ${2}/,/^\.SH/{/^\.SH/!p}" \ + cat \ + <(<${manpage} sed -n '/^\.TH/,/^\.SH/{/^\.SH/!p}') \ + <(for s in ${sect}; do + <${manpage} \ + sed -n \ + -e "/^\.SH ${s}/p" \ + -e "/^\.SH ${s}/,/^\.SH/{/^\.SH/!p}"; \ + done;) \ |man -P cat -l - 2>/dev/null; done; }