From f5c4671bfbad96bf346bd7e9a21fc4317b4959df Mon Sep 17 00:00:00 2001
From: Indrajith K L
Date: Sat, 3 Dec 2022 17:00:20 +0530
Subject: Adds most of the tools

---
 coreutils-5.3.0-bin/bin/igawk | 133 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 coreutils-5.3.0-bin/bin/igawk

(limited to 'coreutils-5.3.0-bin/bin/igawk')

diff --git a/coreutils-5.3.0-bin/bin/igawk b/coreutils-5.3.0-bin/bin/igawk
new file mode 100644
index 0000000..e40568e
--- /dev/null
+++ b/coreutils-5.3.0-bin/bin/igawk
@@ -0,0 +1,133 @@
+#! /bin/sh
+# igawk --- like gawk but do @include processing
+#
+# Arnold Robbins, arnold@skeeve.com, Public Domain
+# July 1993
+
+if [ "$1" = debug ]
+then
+    set -x
+    shift
+fi
+
+# A literal newline, so that program text is formatted correctly
+n='
+'
+
+# Initialize variables to empty
+program=
+opts=
+
+while [ $# -ne 0 ] # loop over arguments
+do
+    case $1 in
+    --)     shift; break;;
+
+    -W)     shift
+            # The ${x?'message here'} construct prints a
+            # diagnostic if $x is the null string
+            set -- -W"${@?'missing operand'}"
+            continue;;
+
+    -[vF])  opts="$opts $1 '${2?'missing operand'}'"
+            shift;;
+
+    -[vF]*) opts="$opts '$1'" ;;
+
+    -f)     program="$program$n@include ${2?'missing operand'}"
+            shift;;
+
+    -f*)    f=`expr "$1" : '-f\(.*\)'`
+            program="$program$n@include $f";;
+
+    -[W-]file=*)
+            f=`expr "$1" : '-.file=\(.*\)'`
+            program="$program$n@include $f";;
+
+    -[W-]file)
+            program="$program$n@include ${2?'missing operand'}"
+            shift;;
+
+    -[W-]source=*)
+            t=`expr "$1" : '-.source=\(.*\)'`
+            program="$program$n$t";;
+
+    -[W-]source)
+            program="$program$n${2?'missing operand'}"
+            shift;;
+
+    -[W-]version)
+            echo igawk: version 2.0 1>&2
+            gawk --version
+            exit 0 ;;
+
+    -[W-]*) opts="$opts '$1'" ;;
+
+    *)      break;;
+    esac
+    shift
+done
+
+if [ -z "$program" ]
+then
+     program=${1?'missing program'}
+     shift
+fi
+
+# At this point, `program' has the program.
+expand_prog='
+
+function pathto(file,    i, t, junk)
+{
+    if (index(file, "/") != 0)
+        return file
+
+    for (i = 1; i <= ndirs; i++) {
+        t = (pathlist[i] "/" file)
+        if ((getline junk < t) > 0) {
+            # found it
+            close(t)
+            return t
+        }
+    }
+    return ""
+}
+BEGIN {
+    path = ENVIRON["AWKPATH"]
+    ndirs = split(path, pathlist, ":")
+    for (i = 1; i <= ndirs; i++) {
+        if (pathlist[i] == "")
+            pathlist[i] = "."
+    }
+    stackptr = 0
+    input[stackptr] = ARGV[1] # ARGV[1] is first file
+
+    for (; stackptr >= 0; stackptr--) {
+        while ((getline < input[stackptr]) > 0) {
+            if (tolower($1) != "@include") {
+                print
+                continue
+            }
+            fpath = pathto($2)
+            if (fpath == "") {
+                printf("igawk:%s:%d: cannot find %s\n",
+                    input[stackptr], FNR, $2) > "/dev/stderr"
+                continue
+            }
+            if (! (fpath in processed)) {
+                processed[fpath] = input[stackptr]
+                input[++stackptr] = fpath  # push onto stack
+            } else
+                print $2, "included in", input[stackptr],
+                    "already included in",
+                    processed[fpath] > "/dev/stderr"
+        }
+        close(input[stackptr])
+    }
+}'  # close quote ends `expand_prog' variable
+
+processed_program=`gawk -- "$expand_prog" /dev/stdin <<EOF
+$program
+EOF
+`
+eval gawk $opts -- '"$processed_program"' '"$@"'
-- 
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