Deletions:
| header1 |
header2 |
| cell1 |
cell2 |
Additions:
""<table border=1 class="data">
Deletions:
""<table border=1>
Additions:
| header1 |
header2 |
| cell1 |
cell2 |
Deletions:
|| ^a || Go to beginning of line||
||^a, alt-l|| Go to beginning of line, and change all letters to lower case||
||alt-c|| Change line to lower case||
||^e|| Go to end of line||
||^r|| Recall last command in history, starting with charcters provided||
||^k|| Delete line||
||^w|| Delete word||
||^y|| Undo deletion||
||^l|| Clear screen||
Additions:
""<table border=1>
<tr><td>^r</td><td> Go to end of line</td></tr>
<tr><td>^k</td><td> Delete line</td></tr>
<tr><td>^w</td><td> Delete word</td></tr>
<tr><td>^y</td><td>Undo deletion</td></tr>
<tr><td>^l</td><td> Clear screen</td></tr>
Deletions:
""<table>
Additions:
| ^a | Go to beginning of line |
| ^a, alt-l | Go to beginning of line, and change all letters to lower case |
| alt-c | Change line to lower case |
| ^e | Go to end of line |
Deletions:
| header1 |
header2 |
| cell1 |
cell2 |
Additions:
| header1 |
header2 |
| cell1 |
cell2 |
Additions:
|| ^a || Go to beginning of line||
eval "$1=\"xxx\""
echo ${PATH[$i]}
find ${PATH[$i]} ! -name "*.zip" -mtime +31 | xargs zip -m ${PATH[$i]}/logs-$DATESTR.zip
IP=`host "$1" | awk '{print $4}' | sed s/found\:/NOT_FOUND/g`
if [ ${#IP} -lt 2 ]; then
# no record found
echo -n "NOT_FOUND"
else
fi
MX=`host -tmx "$1" | grep handled | grep -v datapipe | awk '{print $7}' | sed '$!N;s/\n/\
g'`
if [ ${#MX} -lt 2 ]; then
# no MX record found
echo NONE
# get IP address for each MX record
MXIP=`host "$MX" | awk '{print $4}' | sed s/found\:/NOT_FOUND/g`
echo "$MX ($MXIP)"
d=`echo $f | awk 'BEGIN {FS=","} {print $1}'`
echo -n $f
getip "$d"
echo -n ","
getmx "$d"Deletions:
||^a|| Go to beginning of line||
eval "$1=\"xxx\""
echo ${PATH[$i]}
find ${PATH[$i]} ! -name "*.zip" -mtime +31 | xargs zip -m ${PATH[$i]}/logs-$DATESTR.zip
IP=`host "$1" | awk '{print $4}' | sed s/found\:/NOT_FOUND/g`
if [ ${#IP} -lt 2 ]; then
# no record found
echo -n "NOT_FOUND"
else
echo -n $IP
fi
MX=`host -tmx "$1" | grep handled | grep -v datapipe | awk '{print $7}' | sed '$!N;s/\n/\g'`
if [ ${#MX} -lt 2 ]; then
# no MX record found
echo NONE
else
# get IP address for each MX record
MXIP=`host "$MX" | awk '{print $4}' | sed s/found\:/NOT_FOUND/g`
echo "$MX ($MXIP)"
fi
d=`echo $f | awk 'BEGIN {FS=","} {print $1}'`
echo -n $f
getip "$d"
echo -n ","
getmx "$d"
Additions:
Additions:
Function and variables
Deletions:
Function and variables
Additions:
Compare floating point numbers
LOAD=`uptime | cut -d: -f5 | cut -d, -f1`
LIMIT=5.0
echo $LOAD
if [ `expr $LOAD \> $LIMIT` -eq 1 ]; then
# do your thing
real example 1
Deletions:
rael example 1
Additions:
if [ ${#IP} -lt 2 ]; then
# no record found
echo -n "NOT_FOUND"
else
echo -n $IP
fi
MX=`host -tmx "$1" | grep handled | grep -v datapipe | awk '{print $7}' | sed '$!N;s/\n/\g'`
# no MX record found
# get IP address for each MX record
MXIP=`host "$MX" | awk '{print $4}' | sed s/found\:/NOT_FOUND/g`
echo "$MX ($MXIP)"
done%%
Deletions:
echo -n $IP
MX=`host -tmx "$1" | grep handled | awk '{print $7}' | sed '$!N;s/\n/\g'`
echo $MX
Additions:
Function and variables
function run() {
eval "$1=\"xxx\""
VAR=1
run VAR
echo $VAR
Additions:
MX=`host -tmx "$1" | grep handled | awk '{print $7}' | sed '$!N;s/\n/\g'`
Deletions:
MX=`host -tmx "$1" | grep handled | grep -v datapipe | awk '{print $7}' | sed '$!N;s/\n/\g'`
Additions:
rael example 1
#!/bin/bash
# script to get IP and MX record for a list of domains
# column definition
# COL1: domain name
# COL2: apache virtual host domain
# COL3: IP address of A record
# COL4: MX record(s)
function getip() {
IP=`host "$1" | awk '{print $4}' | sed s/found\:/NOT_FOUND/g`
echo -n $IP
}
function getmx() {
MX=`host -tmx "$1" | grep handled | grep -v datapipe | awk '{print $7}' | sed '$!N;s/\n/\g'`
if [ ${#MX} -lt 2 ]; then
echo NONE
else
echo $MX
fi
}
for f in `cat domains_step2.csv`
d=`echo $f | awk 'BEGIN {FS=","} {print $1}'`
echo -n $f
getip "$d"
echo -n ","
getmx "$d"
Additions:
Additions:
bash array and loops
#!/usr/local/bin/bash
PATH[0]=/home/sites/1/
PATH[1]=/home/sites/2/
PATH[2]=/home/sites/3/
PATH[3]=/home/sites/4/
PATH[4]=/home/sites/5/
arrsize=${#PATH[@]}
DATESTR=`/bin/date +%Y-%m`
for ((i=0;i<$arrsize;i
)); do
echo ${PATH[$i]}
find ${PATH[$i]} ! -name "*.zip" -mtime +31 | xargs zip -m ${PATH[$i]}/logs-$DATESTR.zip
exit 0
Additions:
if then else
if [ ! -f blah.txt ]; then
echo "File does not exist."
echo "File already exist."
fi
Additions:
bash shortcuts
||^a|| Go to beginning of line||
||^a, alt-l|| Go to beginning of line, and change all letters to lower case||
||alt-c|| Change line to lower case||
||^e|| Go to end of line||
||^r|| Recall last command in history, starting with charcters provided||
||^k|| Delete line||
||^w|| Delete word||
||^y|| Undo deletion||
||^l|| Clear screen||
More at
http://linuxhelp.blogspot.com/2005/08/bash-shell-shortcuts.html∞
Case switch
case "$1" in
start)
do start;
;;
stop)
do stop;
;;
*)
echo usage;
;;
esac
Read input, if then else
echo "Please enter an address to forward to."
echo "To disable forward, type DISABLE"
read fw
if [ $fw == "DISABLE" ];
then
echo "Disable mail forward done."
rm -Rf ~/.forward
elif [ $fw == "disable" ];
then
echo "Disable mail forward done."
rm -Rf ~/.forward
else
echo "Activating mail forward to $fw"
echo $fw > ~/.forward
fi
echo "Done."
for loop
TASKS=`ls -1 /scp/backup.jobs/*.sh`
for tt in $TASKS
do
eval $tt & LASTJOB=$!
wait $LASTJOB
done
Text parsing
sed -n "s/.*ok.*:.*:25 .*:\(.*\)::.*/\1/gp" /var/log/smtpd/current
cut -f5 -d: /var/log/smtpd/current | grep .
egrep -R ok /var/log/smtpd/current |awk '{print $6}'|sed -e 's/:/ /g'| cut -f2 -d' '
awk 'BEGIN {FS=":" } /ok/ {print $5}' /var/log/smtpd/current
fgrep ok /var/log/smtpd/current | cut -f5 -d: fgrep ok /var/log/smtpd/current | cut -f5 -d: