source: CONFIG_DEVT/IPSLCM6.5_work_ENSEMBLES/libIGCM/libIGCM_card/IGCM_card_WriteOption.awk @ 5899

#**************************************************************
# Author: Patrick Brockmann
# Contact: Patrick.Brockmann__at__cea.fr
# $Revision:: 475                                      $ Revision of last commit
# $Author:: sdipsl                                     $ Author of last commit
# $Date:: 2011-05-31 15:12:20 +0200 (Tue, 31 May 2011) $ Date of last commit
# IPSL (2006)
#  This software is governed by the CeCILL licence see libIGCM/libIGCM_CeCILL.LIC
#
#**************************************************************

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

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

nbarg=ARGC
if (ARGV[1] == "-d") {
        debug=1
        file=ARGV[2]
        section=ARGV[3]
        option=ARGV[4]
        value=ARGV[5]
        delete ARGV[1] ; delete ARGV[3] ; delete ARGV[4] ; delete ARGV[5]
        nbarg--
} else {
        debug=0
        file=ARGV[1]
        section=ARGV[2]
        option=ARGV[3]
        value=ARGV[4]
        delete ARGV[2] ; delete ARGV[3] ; delete ARGV[4]
}


# When exit statement, 'END' rule is always executed, so defined a exit_value to manage this
exit_value=0
if (nbarg != 5) {
        print "Usage: IGCM_card_WriteOption [-d] file section option value"
        print 
        print "Args:"
        print "      file = file at CARD format" 
        print "      section = section to find" 
        print "      option = option to find" 
        print "      value = value option to write" 
        print 
        print "Options:" 
        print "       -d = debug mode" 
        print
        exit_value=1
        exit
}

section_found=0
section_inside=0
option_found=0
}

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

myprint($0) 

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

        myprint("---->section found")
        section_found=1
        section_inside=1
        print $0

} else if (section_inside == 1 && (match($0, "^[ ]*" option "[ ]*="))) {

        myprint("---->option found")
        option_found=1

        print option "= " value
        myprint("---->new value ")

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

        myprint("---->end section")
        section_inside=0
        print $0

} else {
        print $0
}

}

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

    if (! exit_value ) {

        myprint("###############################")
        myprint("section      ====> " section)
        myprint("option       ====> " option)
        myprint("value        ====> " value)
        
        if (section_found == 0) {
            print "Error: Section not found"
        } else if (option_found == 0) {
            print "Error: Option not found"
        }       
        
    } else {

        print "Error in with IGCM_WriteOption : ", section, option

    }

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