From 6f66d82e5794022ec2873d1f3ccba8e1267ca9a3 Mon Sep 17 00:00:00 2001
From: "Arnold D. Robbins" <arnold@skeeve.com>
Date: Sat, 27 Sep 2014 22:22:15 +0300
Subject: Lots more documentation fixes.

---
 awklib/eg/prog/id.awk | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

(limited to 'awklib/eg/prog/id.awk')

diff --git a/awklib/eg/prog/id.awk b/awklib/eg/prog/id.awk
index 992fa57c..b6061f9b 100644
--- a/awklib/eg/prog/id.awk
+++ b/awklib/eg/prog/id.awk
@@ -6,6 +6,7 @@
 # May 1993
 # Revised February 1996
 # Revised May 2014
+# Revised September 2014
 
 # output is:
 # uid=12(foo) euid=34(bar) gid=3(baz) \
@@ -19,26 +20,22 @@ BEGIN {
 
     printf("uid=%d", uid)
     pw = getpwuid(uid)
-    if (pw != "")
-        pr_first_field(pw)
+    pr_first_field(pw)
 
     if (euid != uid) {
         printf(" euid=%d", euid)
         pw = getpwuid(euid)
-        if (pw != "")
-            pr_first_field(pw)
+        pr_first_field(pw)
     }
 
     printf(" gid=%d", gid)
     pw = getgrgid(gid)
-    if (pw != "")
-        pr_first_field(pw)
+    pr_first_field(pw)
 
     if (egid != gid) {
         printf(" egid=%d", egid)
         pw = getgrgid(egid)
-        if (pw != "")
-            pr_first_field(pw)
+        pr_first_field(pw)
     }
 
     for (i = 1; ("group" i) in PROCINFO; i++) {
@@ -47,8 +44,7 @@ BEGIN {
         group = PROCINFO["group" i]
         printf("%d", group)
         pw = getgrgid(group)
-        if (pw != "")
-            pr_first_field(pw)
+        pr_first_field(pw)
         if (("group" (i+1)) in PROCINFO)
             printf(",")
     }
@@ -58,6 +54,8 @@ BEGIN {
 
 function pr_first_field(str,  a)
 {
-    split(str, a, ":")
-    printf("(%s)", a[1])
+    if (str != "") {
+        split(str, a, ":")
+        printf("(%s)", a[1])
+    }
 }
-- 
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