From 21be8e78d7a629f57f28620dc4445bc230818ef4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Tue, 15 Jun 2021 07:46:56 +0200
Subject: Improve 'g' utility

---
 g | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

(limited to 'g')

diff --git a/g b/g
index 04cbc36..0a22892 100755
--- a/g
+++ b/g
@@ -1,5 +1,28 @@
 #!/bin/sh
 
-p grep -n "$*" $(
-	find . -name '*.c' -or -name '*.h' -or -name '*.cc' |
-	sed s,./,,)
+IFS='
+'
+
+pat=
+opt=
+i=0
+
+while [ $((i++)) -lt $# ]; do
+	case "$1" in
+	-*)	opt=`printf '%s%s\n' "$opt" $1`
+		shift ;;
+	*)	break ;;
+	esac
+done
+
+[ $# -eq 0 ] && { echo usage: $0 [-...] pattern [file ...] 1>&2; exit 1; }
+
+pat=$1
+shift
+
+files=`find . -name '*.c' -or -name '*.h' -or -name '*.cc' | sed s,./,,`
+[ -z "$files" ] && [ -z "$*" ] && { echo no matching files found 1>&2; exit 1; }
+
+# todo (?): treat argument \*.x like -or -name \*.x
+
+p grep $opt -n "$pat" $files "$@"
-- 
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