nimgrep version 1

tools/nimgrep.nim

@@ -11,7 +11,7 @@ import
   os, strutils, parseopt, pegs, re, terminal
 
 const
-  Version = "0.9"
+  Version = "1.0"
   Usage = "nimgrep - Nim Grep Utility Version " & Version & """
 
   (c) 2012 Andreas Rumpf
@@ -56,6 +56,7 @@ var
 
 proc ask(msg: string): string =
   stdout.write(msg)
+  stdout.flushFile()
   result = stdin.readLine()
 
 proc confirm: TConfirmEnum =
@@ -108,18 +109,21 @@ proc highlight(s, match, repl: string, t: tuple[first, last: int],
   writeColored(match)
   for i in t.last+1 .. y: stdout.write(s[i])
   stdout.write("\n")
+  stdout.flushFile()
   if showRepl:
     stdout.write(spaces(alignment-1), "-> ")
     for i in x .. t.first-1: stdout.write(s[i])
     writeColored(repl)
     for i in t.last+1 .. y: stdout.write(s[i])
     stdout.write("\n")
+    stdout.flushFile()
 
 proc processFile(filename: string) =
   var filenameShown = false
   template beforeHighlight =
     if not filenameShown and optVerbose notin options:
       stdout.writeLine(filename)
+      stdout.flushFile()
       filenameShown = true
 
   var buffer: string
@@ -128,7 +132,9 @@ proc processFile(filename: string) =
   except IOError:
     echo "cannot open file: ", filename
     return
-  if optVerbose in options: stdout.writeLine(filename)
+  if optVerbose in options:
+    stdout.writeLine(filename)
+    stdout.flushFile()
   var pegp: TPeg
   var rep: Regex
   var result: string
@@ -254,10 +260,12 @@ proc walker(dir: string) =
 
 proc writeHelp() =
   stdout.write(Usage)
+  stdout.flushFile()
   quit(0)
 
 proc writeVersion() =
   stdout.write(Version & "\n")
+  stdout.flushFile()
   quit(0)
 
 proc checkOptions(subset: TOptions, a, b: string) =
@@ -291,7 +299,7 @@ for kind, key, val in getopt():
     of "word", "w": incl(options, optWord)
     of "ignorecase", "i": incl(options, optIgnoreCase)
     of "ignorestyle", "y": incl(options, optIgnoreStyle)
-    of "ext": extensions = val.split('|')
+    of "ext": extensions.add val.split('|')
     of "nocolor": useWriteStyled = false
     of "verbose": incl(options, optVerbose)
     of "help", "h": writeHelp()