added handmade commandline history tool

diff --git a/plugins/hcht.plugin.bash b/plugins/hcht.plugin.bash
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+#!/bin/bash
+# hch.plugin.bash: the handmade commandline history tool
+# Copyright: (C) 2010 Florian Baumann <flo@noqqe.de>
+# License: GPL-3 <http://www.gnu.org/licenses/gpl-3.0.txt>
+# Date: Dienstag 2010-11-30
+
+### readme 
+# basiclly the handmade commandline history tool was made for storing
+# informations. yeah, you're right. sounds a bit boring. many other
+# applications can do this much better. but storing things from commandline? 
+# 
+# hcht was fitted to work at your terminal. 
+# your daily stuff like notices, todos, commands or output from a 
+# all these things will be stored without complex syntax. 
+# 
+# once you defined your storing-directory you will be able to easily
+# save all the stuff listed above. 
+#
+
+### create a file
+# the basic feature. open a file, do stuff and save.
+# *.hch trailor is required.
+#
+# $ hcht evilcommand.hch
+#
+# this will create a new file or edit a existing one. 
+# paste your command or notice in your favorite editor
+
+### show all stored informations
+# to get an overview of your storedir:
+#
+# $ hcht
+
+### todo with a whole sentence
+# you can give hcht a bunch of parameters
+#
+# $ hcht this is a long reminder about a anything
+
+### save last executed command
+# lets say you did a great hack at your system and you
+# want to save it without complicated use of coping:
+#
+# $ hcht !! 
+#
+# the "!!" will repeat the _last_ command you executed at 
+# your terminal. after asking you about a name the hch file 
+# will be saved.  
+
+### read from stdin
+# hcht is also able to read anything from stdin. 
+#
+# $ cat any_important_logfile | hcht anylog 
+#
+# "anylog" will be the name of the saved file.  
+
+### configure store dir
+# like /home/user/.hcht/ or something
+hchtstoredir=""
+
+hcht() {
+    # configured?
+    if [ -z $hchtstoredir ]; then
+        echo "ERROR: handmade commandline history tool isn't configured."
+        return 1
+    else
+        hchtstoredir=$(echo $hchtstoredir | sed -e 's/\/$//')
+    fi
+
+    # dir available?
+    if [ ! -d $hchtstoredir ]; then
+        echo "ERROR: No such directory: $hchtstoredir"
+        return 1
+    fi
+
+    # get favorite editor
+    if [ -z $EDITOR ]; then
+        EDITOR=$(which vim || which nano)
+    fi
+
+    # check if stdin-data is present and save content
+    if [ "$(tty)" = "not a tty" ]; then
+        hchname=$(echo $1 | sed -e 's/\ //g')
+        if [ -z $hchname ]; then
+            cat < /dev/stdin >> $hchtstoredir/$(date +%Y%m%d%H%M%S).hch
+        else
+            cat < /dev/stdin >> $hchtstoredir/$hchname.hch
+        fi
+        return 0
+    fi
+
+    # list all hch files if no parameter is given
+    if [ $# -eq 0 ]; then
+        for file in $(ls $hchtstoredir); do
+            echo $file
+        done
+        return 0
+    fi
+
+    # if a *.hch file is given start editing or creating it
+    if [ "$#" -eq "1" ]; then 
+        if echo "$1" | grep -q -e ".*.hch$" ; then
+            $EDITOR ${hchtstoredir}/${1}
+            return 0
+        else 
+            $EDITOR ${hchtstoredir}/${1}.hch
+            return 0
+        fi
+    fi
+
+    # autocreate a new hch  
+    if [ "$#" -gt "1" ]; then
+        echo -n "define a name: " ; read hchname
+        hchname=$(echo $hchname | sed -e 's/\ /_/g')
+        if [ -z "$hchname" ]; then
+            echo "$*" > $hchtstoredir/${1}-$(date +%Y%m%d%H%M%S).hch
+        else
+            echo "$*" > ${hchtstoredir}/${hchname}.hch
+        fi
+        return 0
+    fi    
+}