e3_selfcompressed

来自「e3 是一个全屏的用户友好的文本编辑器」· 代码 · 共 20 行

#!/bin/sh
skip=20
set -C
umask=`umask`
umask 77
xdir=`mktemp -d /tmp/gz.XXXXXX` || {
	echo 'cannot create tmpdir' >&2
	exit 1
}
trap "rm -rf $xdir; exit 1" 1 2 3 5 10 13 15
trap "rm -rf $xdir" 0
prog="`echo $0 | sed 's|^.*/||'`"
if /usr/bin/tail +$skip $0 | gzip -cd > $xdir/$prog; then
  umask $umask
  /bin/chmod 700 $xdir/$prog
  $xdir/$prog "$@"; res=$?
else
  echo Cannot decompress $0; exit 1
fi; exit $res