Add readme

Signed-off-by: Kosieh Barter <kaja.valek@gmail.com>

Makefile

@@ -0,0 +1,9 @@
+install:
+	cp screxec /usr/bin/screxec && chmod 755 /usr/bin/screxec
+	cp scrstart /usr/bin/scrstart && chmod 755 /usr/bin/scrstart
+	cp screwrite /usr/bin/screwrite && chmod 755 /usr/bin/screwrite
+
+clean:
+	rm /usr/bin/screxec
+	rm /usr/bin/scrstart
+	rm /usr/bin/screwrite

README.md

@@ -1,3 +1,3 @@
-# Linux Hacks / Scripting
+# Screen tools
 
-This repository serves as a general place for archiving various GNU/Linux / GNU/BASH scripts, automations and installers.
+Screen tools suite is designed for "screen" only as it is terminal-only alternative to SuperPutty.

screwrite

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+#!/bin/bash
+# get all elements and append domain to them. Then output to file
+
+write_ip() {
+    for ip_in in $2
+    do
+        echo "$ip_in" >> $1
+    done
+}
+
+write_fqdn() {
+    for host_in in $3
+    do
+        echo "$host_in.$1" >> $2
+    done
+}
+
+if [ -z $1 ]
+then
+    echo -e "Usage:\n\
+    screwrite <FQDN.here.com> <file_to_insert_into> host1 host2.... hostN\n\
+    screwrite --ip <file_to_insert_into> ip_1 ip2... ipN\n\
+    screwrite erase <file_to_erase>"
+elif [[ $1 == 'erase' ]]
+then
+    if [ -z $2 ]
+    then
+        echo "Supply file name to erase or create."
+    else
+        echo '' > $2
+    fi
+else
+    if [[ $1 == 'ip' ]]
+    then
+        FILE=$2
+        shift
+        shift
+        write_ip $FILE $@
+    else
+        FQDN=$1
+        FILE=$2
+        shift
+        shift
+        write_fqdn $FQDN $FILE $@
+    fi
+fi

screxec

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+#!/bin/bash
+
+function screkill() {
+    for inc in `ps -aux | grep SCREEN | grep -v grep | awk '{print $2}'`
+    do
+        kill $inc
+    done
+}
+
+function execute() {
+    screen -S "$1" -p 0 -X stuff "$2"$(echo -ne '\015')
+}
+
+function listall() {
+    screen -r $1
+}
+
+function send_esc() {
+    screen -S "$1" -X stuff $(echo -ne '\033')
+}
+
+
+sort_list() {
+    screen -ls | cut -d '.' -f2- | sort
+}
+
+function list_source() {
+    if [ "$2" == 'nofile' ]
+    then
+        grep `echo "$1" | cut -d '.' -f2-` -r ./ | sed -s 's/:/\t/g' | sed -s 's/\.\///g' | awk '{print $2}'
+    else
+        grep `echo "$1" | cut -d '.' -f2-` -r ./ | sed -s 's/:/\t/g' | sed -s 's/\.\///g'
+    fi
+}
+
+# $1 = server, $2 = file_to_read_from, $3 = command itself
+function exec_of() {
+    grep `echo "$1" | cut -d"." -f2-` "$2" >> /dev/null
+    if [ $? == 0 ]
+    then
+#	echo "$3"
+#	echo "server: $1"
+        execute "$1" "$3"
+    fi
+
+}
+
+function loop() {
+    for server in `screen -ls | grep Detached | sort | awk '{print $1}'`
+    do
+        if [ "$1" == 'listall' ]
+        then
+	    listall "$server"
+	elif [ "$1" == 'src' ]
+        then
+            list_source "$server" "$2"
+	elif [ "$1" == 'execof' ]
+        then
+            exec_of "$server" "$2" "$3"
+	elif [ "$1" == 'esc' ]
+	then
+	    send_esc $server
+        else
+	    execute "$server" "$1"
+        fi
+    done
+}
+
+if [ "$1" == 'killall' ]
+then
+    screkill
+elif [ -z "$1" ]
+then
+    echo -e "Usage:\n\
+    Execute a command:\t\t\tscrexec '<command in single quotes>'\n\
+    Switch to all sessions:\t\tscrexec listall\n\
+    List running servers:\t\tscrexec src\n\
+    Run on sessions from file:\t\tscrexec execof <file_here> '<command in quotes>'"a
+elif [ "$1" == 'SACT' ]
+then
+    send_sact
+elif [ "$1" == "sort" ]
+then
+    sort_list
+else
+    loop "$@"
+fi

scrstart

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+#!/bin/bash
+
+connect() {
+    for server in `cat $1 | awk '{print $1}'` 
+    do
+        screen -d -m -S "$server-$1" ssh "$2@$server" -oStrictHostKeyChecking=no -i $3
+    done
+}
+
+wakeup() {
+    for hwaddr in `cat $1 | awk '{print $2}'`
+    do
+        etherwake $hwaddr
+    done
+}
+
+if [ -z $1 ]
+then
+    echo -e "Usage for direct SSH:\tscrstart <file_to_read_from> <user> <key | password>"
+    echo -e "Usage for waking up machines:\tscrstart <file_to_read_from> wakeup"
+else
+    if [[ $2 == "wakeup" ]]
+    then
+        wakeup $1
+    else
+        connect $1 $2 $3
+    fi
+fi