From: martin@piware.de <>
Date: Sat, 4 Apr 2009 14:47:59 +0000 (-0700)
Subject: add shellpresent
X-Git-Url: https://piware.de/gitweb/?p=bin.git;a=commitdiff_plain;h=938617421d1789b9dc8482ac397f49d2f0e9f255;hp=bbcddc976521eb83146c2b2e75e07261614ddb51

add shellpresent
---

diff --git a/shellpresent b/shellpresent
new file mode 100755
index 0000000..8747d88
--- /dev/null
+++ b/shellpresent
@@ -0,0 +1,37 @@
+#!/bin/bash
+#
+# Present a list of shell commands by single-stepping and echoing commands.
+# Note that this only works well for self-contained single lines, no multi-line
+# loops etc.
+#
+# (c) 2009 Martin Pitt <martin@piware.de>
+# License: Public Domain
+
+[ -e "$1" ] || {
+    echo "Usage: $0 <shell script>" >&2
+    exit 1
+}
+
+clear
+
+while read line; do
+    # paragraph clears screen
+    if [ -z "$line" ]; then
+	clear
+	continue
+    fi
+
+    # comment
+    if [ "${line:0:1}" = "#" ]; then
+	if [ -n "${line:1}" ]; then
+	    echo -e "\e[32m$line\e[30m"
+	fi
+	continue
+    fi
+
+    # execute command
+    echo -en "\e[31m\$\e[30m $line"
+    read < /dev/tty
+    eval "$line"
+    read < /dev/tty
+done < "$1"