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[perso/Immae/Projets/Scripts/Public.git] / cmdtemp
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1#!/usr/bin/env bash
2# The MIT License (MIT)
3#
4# Copyright (c) 2011-2015 Ismaël Bouya http://www.normalesup.org/~bouya/
5#
6# Permission is hereby granted, free of charge, to any person obtaining a copy
7# of this software and associated documentation files (the "Software"), to deal
8# in the Software without restriction, including without limitation the rights
9# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10# copies of the Software, and to permit persons to whom the Software is
11# furnished to do so, subject to the following conditions:
12#
13# The above copyright notice and this permission notice shall be included in
14# all copies or substantial portions of the Software.
15#
16# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22# THE SOFTWARE.
23
24# cmdtemp
25# List commands
26# cmdtemp <n>
27# Execute command number <n>
28# cmdtemp <-n>
29# Delete command number <n>
30# cmdtemp <...>
31# Save command
32
33
34function is_negative() {
35 s=$(echo $1 | tr -d 0-9)
36 if [ "$s" == "-" ]; then
37 return 0
38 else
39 return 1
40 fi
41}
42
43function is_integer() {
44 s=$(echo $1 | tr -d 0-9)
45 if [ -z "$s" ]; then
46 return 0
47 else
48 return 1
49 fi
50}
51
52if [ $# -eq 0 ]; then
53 cat -n $HOME/.cmdtemp
54 exit
55fi
56
57if is_integer "$1"; then
58 ligne="$1"
59 shift
60 commande=`awk "FNR == $ligne" $HOME/.cmdtemp`
61 echo "*** "$commande
62 eval $commande
63elif is_negative "$1"; then
64 s=$(echo $1 | tr -d '-')
65 sed -i -e $s"d" $HOME/.cmdtemp
66else
67 echo "$*" >> $HOME/.cmdtemp
68fi