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If they must be exactly the same
systime=2011-05-13:18:45
shubtime=2011-05-13:18:30
if [ "$systime" = "$shubtime" ]
then
echo" OK"
else
echo "NOK"
fi
Or shorter:[ "$systime" =...

#!/bin/bash
##!/bin/bash
var2="bgroup = set bgroup port"
var3="utm = set security utm"
echo "$var2 --> '${var2# = }'"
echo "$var3 --> '${var3# = }'"
# You can also
for V in var2 var3; do
...

Could be written (with arithmetic evaluation and array)
#!/usr/bin/bash
parity=(even odd) # parity[0]='even' parity[1]='odd'
read -p "enter a number: " a
echo "the number is ${parity[$((a%2))]}

No need to mkdir -p /foo if you already mkdir -p /foo/dir1 as the -p option creates parents.

#!/bin/bash
for d1 in boo doo foo; do
for d2 in dir1 dir2; do
mkdir -p /$d1/$d2
...

#!/bin/bash
while IFS='&' read -a L
do
for i in ${!L[@]}; do
eval "${L[$i]}"
done
for V in poc ooc mjv omj mov ps rel bod oxi ozn lang loc
do
echo -en "$V=${!V}\t"
...

If you have GNU date
$ D1="5/21/2010 9:14:00 AM"
$ D2="5/24/2010 7:23:00 AM"
$ DM=$((($(date -d "$D2" +%s)-$(date -d "$D1" +%s))/60))
$ printf "%s:%02d\n" $((DM/60)) $((DM%60))
70:09

Just an example of how it can be done (first get rid of the GOTO):
#!/bin/bash
while : ; do
echo "SELECT OPTION"
echo "-------------"
echo "1- Create username"
echo "2- Create...

Please, use code tags.
Somthing like
if (($#<2)); then
echo "There must be at least 2 parameters (pattern, file)"
exit 1
fi
Pattern="$1"
shift
Response=$(grep "$Pattern" "$@")
#...

Why store it? (but it's preferable to store the date string to avoid calls to date in the iteration.
#!/bin/bash
D=$(date +%d-%m-%Y)
for F in *.*
do
mv $F ${F%.*}-$D.${F##*.}"
done

Please, use code tags to make the code more readable.
Howto:

Select the text corresponding to code
Click on the 'code' button in the editor's...

What's the output of this:
#!/bin/bash
while IFS=':=' read A B C
do
echo "A='$A' B='$B' C='$C'"
done <$INFILE

---------- Post updated at 23:06 ---------- Previous update was at 21:52...

egrep:
F=570345
echo *${F}* | grep -E '[^0-9]$F[^0-9]'
# ls *${F}* | grep -E '[^0-9]$F[^0-9]' # If the previous doesn't work

Yes I can !

#!/bin/bash
while IFS='<>' read Null Tag Val Null
do
case $Tag in
free-energy)
echo $Val
Pos=0 ;;
position)
((Pos++))
((Pos%2)) && echo -n...

Simple
while read file
do rm -f FolderB/$file
done < <(ls FolderA)

No need to count the lines:
while read L
do
echo "$L"
done <playerlist
Above code reads each line of playerlist and assigns it to the variable L; then prints the variable on screen, until...

grep -i 'model name' /proc/cpuinfo | cut -d: -f2 | head -1

With the GNU date:
LIMIT=$(date -d '-8 days' '+%Y/%m/%d')
while IFS='|'; read D L
do [[ $D > $LIMIT ]] && echo "$D|$L"
done < infile
awk:
awk -F'|' -vD=$(date -d '-8 days' '+%Y/%m/%d') '$1 > D'...

getting parameters in a function is the same as in a script. If you call the script like InsertRecord "$OLD_VAL" "$NEW_VAL" "$DATE"
you can retrieve the values inside the function (as in your...

sed -e 's/ [^ ]*\.log//g' -e 's/ / /g' -e 's/^ //' file
To modify file in place
sed -i -e 's/ [^ ]*\.log//g' -e 's/ / /g' -e 's/^ //' file
If -i option isn't available, you can redirect outpu to...

#!/bin/bash
S2D () { date -u --date "19700101 $1 sec" "+%Y-%m-%d %T";} # Converts timestamp to readable date
while read A B C
do
T=$(date -d "${B::8} ${B:8:2}:${B:10:2}:${B:12:2}" +%s)
...

The script works fine when recorded in a file but gives me the same strange output when pasted into a terminal.
-----------

Now works if line 1. (function) is
#
NewName() { A=${1%%.*};...

#!/bin/bash
while ((i<1000))
do
N=$((RANDOM*1000000/32768))$((RANDOM*1000000/32768))
echo "${A }" | grep $N && continue # if number already in the array
A[$i]=$N
((i++))
tput...

I think you're right.
for F in /back_YY.MM.DD/backup1 /back_YY.MM.DD/backup2
do echo ${F%/*}/${F#/*/}_${F:6:2}${F:9:2}${F:12:2}.tar.gz
done
result
/back_YY.MM.DD/backup1_YYMMDD.tar.gz...

this should work

#!/bin/bash
head -1 file
while read L
do
N=${L%.*}; N=${N##*\"}
((N>=23)) && ((N<60)) && echo $L
done < file