From 1b57bc6fa3bd0043ce33f8f962007ccd57b5a689 Mon Sep 17 00:00:00 2001
From: joachimschmidt557 <joachim.schmidt557@outlook.com>
Date: Thu, 28 Mar 2019 14:45:43 +0100
Subject: [PATCH] Add nl utility etc.

---
 echo.nim       |  6 ++++--
 nimbase.nimble |  2 +-
 nl.nim         | 11 +++++++++++
 shuf.nim       |  3 ++-
 4 files changed, 18 insertions(+), 4 deletions(-)
 create mode 100644 nl.nim

diff --git a/echo.nim b/echo.nim
index 093c39e..f4f83e8 100644
--- a/echo.nim
+++ b/echo.nim
@@ -2,8 +2,10 @@ import cligen, sequtils
 import common
 
 proc main(strings:seq[string], newline=true) =
-    if newline: writeLine(stdout, strings.foldl(a & " " & b))
-    else: write(stdout, strings.foldl(a & " " & b))
+    if newline:
+        writeLine(stdout, strings.foldl(a & " " & b))
+    else:
+        write(stdout, strings.foldl(a & " " & b))
     flushFile(stdout)
 
 dispatch(main, version=("version", nimbaseVersion))
diff --git a/nimbase.nimble b/nimbase.nimble
index 1b02f79..bcb9826 100644
--- a/nimbase.nimble
+++ b/nimbase.nimble
@@ -8,6 +8,6 @@ requires      "nim >= 0.19.0"
 requires      "cligen >= 0.9.19"
 requires      "stint >= 0.0.1"
 
-bin           = @["add", "cat", "cp", "div", "echo", "factor", "false", "head", "mkdir", "mul", "pwd", "rm", "seq", "shuf", "sleep", "sub", "tee", "touch", "true", "yes"]
+bin           = @["add", "cat", "cp", "div", "echo", "factor", "false", "head", "mkdir", "mul", "nl", "pwd", "rm", "seq", "shuf", "sleep", "sub", "tee", "touch", "true", "yes"]
 
 binDir        = "bin"
diff --git a/nl.nim b/nl.nim
new file mode 100644
index 0000000..1e5a68c
--- /dev/null
+++ b/nl.nim
@@ -0,0 +1,11 @@
+import cligen
+import common
+
+proc main(files:seq[string], lineIncrement=1) =
+    for file in files:
+        var lineNr = 0
+        for line in lines(file):
+            lineNr += lineIncrement
+            writeLine(stdout, $(lineNr) & line)
+
+dispatch(main, version=("version", nimbaseVersion))
diff --git a/shuf.nim b/shuf.nim
index 9450259..d3c0a52 100644
--- a/shuf.nim
+++ b/shuf.nim
@@ -3,6 +3,7 @@ import common
 
 proc main(files:seq[string]) =
     for file in files:
-        echo ""
+        for line in lines(file):
+            echo line
 
 dispatch(main, version=("version", nimbaseVersion))