| | 1 | #!/bin/sh |
| | 2 | |
| | 3 | #- |
| | 4 | # Copyright (c) 1991, 1993 |
| | 5 | # The Regents of the University of California. All rights reserved. |
| | 6 | # |
| | 7 | # This code is derived from software contributed to Berkeley by |
| | 8 | # Kenneth Almquist. |
| | 9 | # |
| | 10 | # Redistribution and use in source and binary forms, with or without |
| | 11 | # modification, are permitted provided that the following conditions |
| | 12 | # are met: |
| | 13 | # 1. Redistributions of source code must retain the above copyright |
| | 14 | # notice, this list of conditions and the following disclaimer. |
| | 15 | # 2. Redistributions in binary form must reproduce the above copyright |
| | 16 | # notice, this list of conditions and the following disclaimer in the |
| | 17 | # documentation and/or other materials provided with the distribution. |
| | 18 | # 3. Neither the name of the University nor the names of its contributors |
| | 19 | # may be used to endorse or promote products derived from this software |
| | 20 | # without specific prior written permission. |
| | 21 | # |
| | 22 | # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 23 | # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 24 | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 25 | # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 26 | # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 27 | # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 28 | # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 29 | # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 30 | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 31 | # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 32 | # SUCH DAMAGE. |
| | 33 | # |
| | 34 | # @(#)dirs 8.2 (Berkeley) 5/4/95 |
| | 35 | # $FreeBSD: head/bin/sh/funcs/dirs 314436 2017-02-28 23:42:47Z imp $ |
| | 36 | |
| | 37 | # pushd, popd, and dirs --- written by Chris Bertin |
| | 38 | # Pixel Computer Inc. ...!wjh12!pixel!pixutl!chris |
| | 39 | # as modified by Patrick Elam of GTRI and Kenneth Almquist at UW |
| | 40 | |
| | 41 | pushd () { |
| | 42 | SAVE=`pwd` |
| | 43 | if [ "$1" = "" ] |
| | 44 | then if [ "$DSTACK" = "" ] |
| | 45 | then echo "pushd: directory stack empty." |
| | 46 | return 1 |
| | 47 | fi |
| | 48 | set $DSTACK |
| | 49 | cd $1 || return |
| | 50 | shift 1 |
| | 51 | DSTACK="$*" |
| | 52 | else cd $1 > /dev/null || return |
| | 53 | fi |
| | 54 | DSTACK="$SAVE $DSTACK" |
| | 55 | dirs |
| | 56 | } |
| | 57 | |
| | 58 | popd () { |
| | 59 | if [ "$DSTACK" = "" ] |
| | 60 | then echo "popd: directory stack empty." |
| | 61 | return 1 |
| | 62 | fi |
| | 63 | set $DSTACK |
| | 64 | cd $1 |
| | 65 | shift |
| | 66 | DSTACK=$* |
| | 67 | dirs |
| | 68 | } |
| | 69 | |
| | 70 | dirs () { |
| | 71 | echo "`pwd` $DSTACK" |
| | 72 | return 0 |
| | 73 | } |
projects / apple / shell_cmds.git / blame_incremental