source: branches/SmoothFiles/libIGCM_card/IGCM_card_PrintSection.awk @ 8

#!/usr/bin/awk -f

#**************************************************************
# Author: Patrick Brockmann
# Contact: Patrick.Brockmann@cea.fr
# $Date$
# $Author$
# $Revision$
# IPSL (2006)
#  This software is governed by the CeCILL licence see libIGCM/libIGCM_CeCILL.LIC
# History:
# Modification:
#
#**************************************************************

#==========================
function myprint(str) {
        if (debug) {
                print str
        }
}

#==========================
BEGIN {

nbarg=ARGC
if (match(ARGV[1],"-d")) {
        debug=1
        file=ARGV[2]
        section=ARGV[3]
        delete ARGV[1] ; delete ARGV[3]
        nbarg--
} else {
        debug=0
        file=ARGV[1]
        section=ARGV[2]
        delete ARGV[2]
}

# When exit statement, 'END' rule is always executed, so defined a exit_value to manage this
exit_value=0
if (nbarg != 3) {
        print "Usage: IGCM_card_PrintSection [-d] file section" 
        print 
        print "Args:"
        print "      file = file at CARD format" 
        print "      section = section to find" 
        print 
        print "Options:" 
        print "       -d = debug mode" 
        print 
        exit_value=1
        exit
}

section_found=0
option_list="null"

}

#==========================
{

myprint($0) 

# Do not consider commented lines (#...)
if (! match($0,/^#/)) {

# Find section with delimiters '[' and ']'
if (match($0, "\\[" section "\\]")) {

        myprint("---->section found")
        section_found=1

} else if (section_found == 1 && (match($0, "[.]*="))) {

        myprint("---->option found")

        # Extract string after '='
        option_value=substr($0, 1, index($0, "=")-1)

        # Remove space before '='
        gsub(/[ ]*/, "", option_value)

        # Add options
        # If 1st option
        if (match(option_list,"null")) {
                option_list=option_value
        } else {
                option_list=option_list " " option_value
        }

} else if (section_found == 1 && match($0, /^[\[*\]]/)) {

        myprint("---->end section")
        exit

}

}

}

#==========================
END {

if (! exit_value ) {

myprint("###############################")
myprint("section      ====> " section)

if (section_found == 0) {
        print "Error: Section not found"
} else if (match(option_list,"null")) {
        print "Error: Options not found"
} else {
        print option_list
}

}

}
 
#==========================