[git commit] applets_sh/*: Add a few more examples of "shell applets"

Denys Vlasenko vda.linux at googlemail.com
Thu Feb 9 17:23:33 UTC 2012


commit: http://git.busybox.net/busybox/commit/?id=d0222503ff9ff264efa74f6de651b308d20a05b8
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Pere Orga <gotrunks at gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 applets_sh/README   |    5 +++++
 applets_sh/dos2unix |    5 +++++
 applets_sh/tac      |    7 +++++++
 applets_sh/unix2dos |    5 +++++
 4 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/applets_sh/README b/applets_sh/README
new file mode 100644
index 0000000..9dcd38a
--- /dev/null
+++ b/applets_sh/README
@@ -0,0 +1,5 @@
+This directory contains examples of applets implemented as shell scripts.
+
+So far these scripts are not hooked to the build system and are not
+installed by "make install". If you want to use them,
+you need to install them by hand.
diff --git a/applets_sh/dos2unix b/applets_sh/dos2unix
new file mode 100755
index 0000000..0fd5206
--- /dev/null
+++ b/applets_sh/dos2unix
@@ -0,0 +1,5 @@
+#!/bin/sh
+# TODO: use getopt to avoid parsing options as filenames,
+# and to support -- and --help
+[ $# -ne 0 ] && DASH_I=-i
+sed $DASH_I -e 's/\r$//' "$@"
diff --git a/applets_sh/tac b/applets_sh/tac
new file mode 100755
index 0000000..c5a8e39
--- /dev/null
+++ b/applets_sh/tac
@@ -0,0 +1,7 @@
+#!/bin/sh
+# TODO: use getopt to avoid parsing options as filenames,
+# and to support -- and --help
+for i in "$@"
+do
+sed -e '1!G;h;$!d' "$i"
+done
diff --git a/applets_sh/unix2dos b/applets_sh/unix2dos
new file mode 100755
index 0000000..70e0429
--- /dev/null
+++ b/applets_sh/unix2dos
@@ -0,0 +1,5 @@
+#!/bin/sh
+# TODO: use getopt to avoid parsing options as filenames,
+# and to support -- and --help
+[ $# -ne 0 ] && DASH_I=-i
+sed $DASH_I -e 's/$/\r/' "$@"


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