Shell Programming and Scripting

for i in `ls -c1 /usr/share/applications`
do
#name=`cat /usr/share/applications/$i | grep ^Name= | cut -d = -f2`
#categories=`cat /usr/share/applications/$i | grep ^Categories= | sed 's/;/=/g' | cut -d = -f2`
name=$(grep ^Name=  /usr/share/applications/$i | cut -d = -f2)
executable=$(grep ^Exec= /usr/share/applications/$i | cut -d = -f2)
icon=$(grep ^Icon= /usr/share/applications/$i | cut -d = -f2)
categories=$(grep ^Categories= /usr/share/applications/$i | sed 's/;/=/g' | cut -d = -f2)
echo $name
echo $icon
echo $executable
echo $categories
done

#!/usr/bin/awk -f
BEGIN {
    print "Dynamic {"
    while ( ( "ls -c1 /usr/share/applications" | getline line ) >0 ) {
        #print line
        #print "/usr/share/applications/"line 
        while ( ( "cat /usr/share/applications/"line  | getline line1 ) >0 ) {
            #print line1
            if (match(line1,/^Name=/)) 
                name=substr(line1, 6, 30)
            if (match(line1,/^Exec=/)) 
                executable=substr(line1, 6, 30)
            if (match(line1,/^Icon=/)) 
                icon=substr(line1, 6, 30)
            if (match(line1,/^Categories=/)) { 
                categories=substr(line1, 12, 30)
                n=index(categories,";")
                categories=substr(categories, 1, n-1)
            }
        }
        #print name
        #print executable
        #print icon
        #print categories
        print  "Entry = \42" name  "\42 {Actions = \42Exec " executable "\42 }"
        # L'output deve venire con gli apici doppi attorno al nome ed all'eseguibile.
        # Entry = "Xarchiver" { Actions = "Exec xarchiver" }
        #c++        
    }
    exit
}
END  {
    print "}"
    #print "Total files: ", c
}

#!/bin/bash
 
function param_val {
    sed -n "s/^${1}=//p" $2 2> /dev/null
}
 
 
for i in `ls -c1 /usr/share/applications`
do
    CF=/usr/share/applications/$i
    name=$(param_val Name $CF)
    executable=$(param_val Exec $CF)
    icon=$(parm_val Icon $CF)
    categories=$(param_val Categories $CF | cut -d\; -f1)
done

#!/usr/bin/env ksh
awk '
    function printit( )
    {
        print  "Entry = \42" name  "\42 {Actions = \42Exec " executable "\42 }"
        name = executable = icon = categories = "";         # reset to prevent cary over if next file is missing data
    }

    BEGIN { print "Dynamic {" }

    NR > 1 && FILENAME != last_file { printit( ); }

    { last_file = FILENAME; }

    /^Name=/    { name=substr( $0, 6, 30); next; }
    /^Exec=/    { executable=substr( $0, 6, 30); next; }
    /^Icon=/        { icon = substr( $0, 6, 30 ); next; }
    /^Categories=/ { gsub( ";.*", "" ); categories=substr( $0, 12, 30); next; }

    END  {
        printit( );
        print "}"
    } ' /usr/share/applications/*

while ( ( "cat /usr/share/applications/"line  | getline line1 ) >0 ) {

while((getline line1 < "/usr/share/applications/"line )>0 ) {

Entry = "" {Actions = "Exec " }

sed -n "s/^${1}=//p" $2 2> /dev/null