func main() {
var newline, tab, elseFormat string
if *oneliner {
newline = " "
tab = ""
} else {
newline = "\n"
tab = " "
}
if *elseCmdIsLiteral {
elseFormat = fmt.Sprint(tab, tab, "%[1]s", newline)
} else {
elseFormat = fmt.Sprint(tab, tab, "%[1]s \"$@\";", newline)
}
if strings.Contains(flag.Arg(0), " ") && !*withArgs {
fmt.Println("Warning: Arguments not included, as --with-args wasn't used.")
flag.Args()[0] = strings.Split(flag.Arg(0), " ")[0]
} else if flag.NArg() < 2 {
fmt.Println("Usage: maulias [-afhls] [-e elseCommand] [-i condition] <ALIAS> <COMMANDS...>")
return
}
if *withArgs {
aliasWithArgs(newline, tab, elseFormat)
} else if *function {
aliasFunction(newline, tab, elseFormat)
} else {
aliasSimple()
}
}
func aliasSimple() {
fmt.Print("alias '", flag.Arg(0), "'='") // Alias beginning
for i, arg := range flag.Args()[1:] {
fmt.Print(replace(arg, '¤', '$')) // Commands
if i+2 < flag.NArg() {
fmt.Print(" && ")
}
}
fmt.Print("'\n")
}
func aliasFunction(newline, tab, elseFormat string) {
fmt.Print("function ", flag.Arg(0), " {", newline) // Start function
if len(*condition) != 0 {
fmt.Printf("%[2]sif [ %[1]s ]; ", *condition, tab)
fmt.Print(tab, "then", newline)
for _, arg := range flag.Args()[1:] {
fmt.Printf("%[2]s%[2]s%[1]s;%[3]s", replace(arg, '¤', '$'), tab, newline) // Commands
}
if len(*elseCmd) != 0 {
fmt.Print(tab, "else", newline) // "Else"
fmt.Printf(elseFormat, *elseCmd) // Else command
}
fmt.Print(tab, "fi", "newline") // End if
} else {
for _, arg := range flag.Args()[1:] {
fmt.Printf("%[2]s%[2]s%[1]s;%[3]s", replace(arg, '¤', '$'), tab, newline) // Commands
}
}
fmt.Print("}\n") // End function
}
func aliasWithArgs(newline, tab, elseFormat string) {
sargs := strings.Split(flag.Arg(0), " ")
fmt.Print("function ", sargs[0], " {", newline) // Start function
sargs = sargs[1:]
fmt.Print(tab, "if [ ") // Start if. Condition bracket opening
for i, sarg := range sargs {
fmt.Printf("\"$%[1]d\" = \"%[2]s\"", i+1, sarg) // If conditions
if i+1 < len(sargs) {
fmt.Printf(" -a ") // Bash equivalent to "&&" (logical AND)
}
}
fmt.Print(" ];", newline) // Condition bracket closing
fmt.Print(tab, "then", newline) // Then
for _, arg := range flag.Args()[1:] {
fmt.Printf("%[2]s%[2]s%[1]s;%[3]s", replace(arg, '¤', '$'), tab, newline) // Commands
}
fmt.Print(tab, "else", newline) // "Else"
fmt.Printf(elseFormat, *elseCmd) // Else command
fmt.Print(tab, "fi", newline) // End if
fmt.Print("}\n") // End function
}