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comparison setup @ 404:c171c29e13f5

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A bit of documentation.
author Edho Arief <edho@myconan.net>
date Fri, 26 Oct 2012 18:57:13 +0700
parents 0aabb2b34ef6
children fd0a889066a6
comparison
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403:d0f9e435d36d 404:c171c29e13f5
1 #!/bin/sh 1 #!/bin/sh
2 2
3 # This script is bourne-shell compatible.
4 # Or at least it is when I last tested it in Solaris 10.
5
6 # Ensure no variable is empty when used.
3 set -u 7 set -u
8 # Stop on any error.
4 set -e 9 set -e
5 10
11 # Get directory where this script and dotfiles are located.
12 # $0 contains either full path when executed from a PATH (godwhy)
13 # or with complete path or ./<scriptname> when executed that way.
14 # Therefore it's safe to use dirname in this case.
6 basedir="`dirname "${0}"`" 15 basedir="`dirname "${0}"`"
16
17 # To get actual path, go to the directory and pwd from it.
7 cd "${basedir}" 18 cd "${basedir}"
8 basedir="`pwd`" 19 basedir="`pwd`"
20
21 # FIXME: test existence of the directories.
22 # dotfiles
9 rcdir="${basedir}/rc" 23 rcdir="${basedir}/rc"
24 # misc scripts
10 bindir="${basedir}/bin" 25 bindir="${basedir}/bin"
11 26
27 # Make sure $HOME points somewhere.
28 # FIXME: ensure it is writable (or maybe not).
12 test -n "${HOME}" || exit 1 29 test -n "${HOME}" || exit 1
13 30
31 # A safe echo.
14 _echo() { 32 _echo() {
15 _echon "${*}"; printf "\n" 33 _echon "${*}"; printf "\n"
16 } 34 }
35 # A safe and cross platform echo -n.
17 _echon() { 36 _echon() {
18 printf '%s' "${*}" 37 printf '%s' "${*}"
19 } 38 }
20 39
21 _tcsh() { 40 _tcsh() {