[TynesideLUG] shell script: man-section

[Ian Bruntlett]

Listing man stuff...

#!/usr/bin/env bash
# 2021-07-11 Ian Bruntlett
# 2021-07-14 Tidying up heredoc in "Usage" function.
# Name   : man-section
# Purpose: To dig around the man pages

function Usage
{
cat <<END-OF-USAGE-MESSAGE
Usage: $0 section-number (from 1 to 9, optional)
       1   Executable programs or shell commands
       2   System calls (functions provided by the kernel)
       3   Library calls (functions within program libraries)
       4   Special files (usually found in /dev)
       5   File formats and conventions, e.g. /etc/passwd
       6   Games
       7   Miscellaneous (including macro packages and conventions), e.g.
man(7),
           groff(7)
       8   System administration commands (usually only for root)
       9   Kernel routines [Non standard]
END-OF-USAGE-MESSAGE
}

if [ $# -eq 0 ]; then
    Usage >&2
    exit 0
fi

while [ "$1" != "" ]; do
  man -k "[a-z]" -s "$1"
  shift
done

-- 
-- ACCU - Professionalism in programming - http://www.accu.org
-- My writing - https://sites.google.com/site/ianbruntlett/
-- Free Software page -
https://sites.google.com/site/ianbruntlett/home/free-software