Forum: Shell Scripting  May 23rd, 2009 |
| Replies: 5 Views: 783 use awk
awk '/default = ALL/{
print "default = DES-168"
print "default = RC2-128"
print "default = RC4-128"
print "#"$0
next}1' file |
| Forum: Perl Apr 21st, 2009 |
| Replies: 4 Views: 424 you can learn the basics of Perl first. One of the many good sources is straight from the doc. type perldoc perl for more info. otherwise, you can always view online Perl doc with your browser.... |
| Forum: Perl Apr 21st, 2009 |
| Replies: 12 Views: 1,500 # perl -ne 'print if !(/\[SectionOne\]/ .. /\[SectionTWO\]/); ' file
Entry1=19
Entry2=hello there
use module like Config::IniFiles is still the best. |
| Forum: Perl Apr 17th, 2009 |
| Replies: 4 Views: 560 i think you shouldn't need to worry too much on whether its the correct directory because you would have set it properly when configuring your FTP server. |
| Forum: Shell Scripting Apr 15th, 2009 |
| Replies: 3 Views: 1,099 you may search the CPAN library for Audio::Taglib. ( there are others, so pls do a search). |
| Forum: Shell Scripting Apr 15th, 2009 |
| Replies: 3 Views: 1,099 if you have Perl, you can use the MP3::Tag module.
eg
use MP3::Tag;
# set filename of MP3 track
my $filename = "test.mp3";
# create new MP3-Tag object
my $mp3 = MP3::Tag->new($filename);
#... |
| Forum: Shell Scripting Mar 27th, 2009 |
| Replies: 4 Views: 919 regular expressions are usually not needed for string manipulations.
# echo "abcdd" | awk 'BEGIN{FS=""}$2==$3{print "ok"}'
# echo "abbdd" | awk 'BEGIN{FS=""}$2==$3{print "ok"}'
ok |
| Forum: Shell Scripting Mar 17th, 2009 |
| Replies: 2 Views: 1,021 awk '{printf "%s %s",$0, ($3 > 40)? "yes" :"no"}' file |
| Forum: Python Sep 24th, 2008 |
| Replies: 4 Views: 713 without glob module, just search for it
import os
os.chdir("/somewhere")
for files in os.listdir("."):
if not "_ab" in files:
print files |
| Forum: IT Professionals' Lounge Sep 16th, 2008 |
| Replies: 7 Views: 2,085 you can use the script here (http://www.linuxquestions.org/linux/blog/ghostdog74/2008-09-13/Mass_File_Renamer_By_Pattern_Substitution)
eg usage
# ./script.sh -s "4%3a" -e "" -d "*.deb" # display... |
| Forum: Shell Scripting Sep 15th, 2008 |
| Replies: 7 Views: 1,463 you can do everything in awk
ps -C bash -o size= | awk '{sum+=$1}END{ print (sum>65535 ? "exceeded":"not exceeded") }' |
| Forum: Shell Scripting Aug 19th, 2008 |
| Replies: 2 Views: 989 better still, no need grep
top | awk '/root/{ sum += $10 }END {print sum}' |
| Forum: Shell Scripting Jul 25th, 2008 |
| Replies: 6 Views: 2,155 Look at the bash guide here (http://tldp.org/LDP/abs/html/testbranch.html). It has examples on checking for upper case. |
| Forum: Shell Scripting Jul 25th, 2008 |
| Replies: 6 Views: 1,099 sed will be slower than tail for huge files. Just a tip |
| Forum: Shell Scripting Jun 24th, 2008 |
| Replies: 6 Views: 1,008 awk 'BEGIN{FS="[: ]"}
/Name/{ name=$3 }
/Active/ && /Yes/{
cmd = "mailx -s \""name " is active\" body root"
system(cmd)
}
' file |
| Forum: Shell Scripting Jun 11th, 2008 |
| Replies: 3 Views: 2,901 do it using awk's srand() and rand().
awk 'BEGIN{
srand()
num=int(rand() * 10) + 1
}
NR==num' file |
| Forum: Shell Scripting Jun 4th, 2008 |
| Replies: 2 Views: 1,223 if TEST2 is the second field and no where else and you want to replace only that second field,
awk 'NR==4{$2="DEV"}1' file |
| Forum: Shell Scripting Jun 3rd, 2008 |
| Replies: 2 Views: 2,449 awk 'BEGIN{FS=""}NR==1{print $1}{l=$NF}END{print l}' file |
| Forum: Shell Scripting Apr 14th, 2008 |
| Replies: 3 Views: 1,226 don't use useless cat with while loop
while read -r line
do
#processing
done < "file"
'
anyway, here's another way to solve your problem |
| Forum: Shell Scripting Apr 13th, 2008 |
| Replies: 1 Views: 818 # grep -f file -v file1
D
E |
| Forum: Shell Scripting Apr 10th, 2008 |
| Replies: 13 Views: 2,665 have you read the line i gave about while loops? pseudocode.
while read -r name number
do
while read -r NAME NUM
do
if NAME is equal name
then
echo... |
| Forum: Shell Scripting Apr 9th, 2008 |
| Replies: 13 Views: 2,665 try this document (http://tldp.org/LDP/abs/html/loops1.html) instead. almost all you need to know about shell |
| Forum: Shell Scripting Apr 9th, 2008 |
| Replies: 13 Views: 2,665 what have you learnt in that online class so far? do you have lecture notes and books for shell scripting? |
| Forum: Shell Scripting Apr 9th, 2008 |
| Replies: 6 Views: 2,263 if you are really developing an intranet application, then ask the administrator to assign you the proper rights to those commands necessary for your work. don't try anything that is not allowed by... |
| Forum: Shell Scripting Apr 5th, 2008 |
| Replies: 6 Views: 1,611 no i am not. there are many who are better:)
this is where i learn AWK/SED (http://www.unix.org.ua/orelly/unix/sedawk/index.htm). Also grymoire (http://www.grymoire.com/Unix/) is worth a look |
| Forum: Shell Scripting Apr 5th, 2008 |
| Replies: 6 Views: 1,611 awk '$NF <=3 {a[NR]=$NF;c[a[NR]]=$0}
END{
n=asort(a,b)
print c[b[n]]
}' file
output:
# ./test.sh
18 126 2833 30 0.010479 2.842 |
| Forum: Shell Scripting Apr 5th, 2008 |
| Replies: 4 Views: 1,093 use the -v option of awk to pass in shell variables so that you don't have to get too confused between shell and awk variables.
eg
awk -v archive="$ARCHIVE" ' {
print archive
# etc code... |
| Forum: Shell Scripting Mar 26th, 2008 |
| Replies: 9 Views: 2,244 no need to use cat
uuencode $file $file | /usr/bin/mailx -s "TEST" |
| Forum: Shell Scripting Mar 7th, 2008 |
| Replies: 8 Views: 2,467 awk 'BEGIN{FS="[]].[[]|[[]|[]]"}
{
gsub(/id|\"/,"",$13)
split($3,a,"/")
gsub("tag","",$16)
print $13,a[1],$7,$16
}' file |
| Forum: Shell Scripting Feb 24th, 2008 |
| Replies: 1 Views: 1,423 simply assign to a variable first
cmd = "useradd -G " var1 " -g " var2 " -m -s " $1 " -u " $2 " -K PASS_MIN_LEN=4 -K PASS_MAX_LEN=7 -p \047*\047" "usrname"
print cmd # to see if your cmd is... |
| Forum: Shell Scripting Jan 22nd, 2008 |
| Replies: 3 Views: 49,015 awk 'NR==1{ print "var="$1}' file |
| Forum: Shell Scripting Jan 15th, 2008 |
| Replies: 3 Views: 10,554 # echo $HTML | sed 's/<html><body>\(.*\)<\/body><\/html>/\1/'
OK |
| Forum: Shell Scripting Jan 14th, 2008 |
| Replies: 3 Views: 1,252 see my sig links for learning bash scripting. If you want to do floating point maths, you can use tools like bc. |
| Forum: Shell Scripting Jan 14th, 2008 |
| Replies: 5 Views: 6,814 for large number of files, basename/dirname may not be a good choice ( but its up to you). Using bash string operation may be more efficient as you don't need to call "external commands"
eg
#... |
| Forum: Shell Scripting Oct 30th, 2007 |
| Replies: 3 Views: 1,251 find /path -type f -name "status10.dat*" -mtime 0 -print0 | xargs -i -0 cp "{}" /cerner/d_p19/ccluserdir |
| Forum: Shell Scripting Oct 28th, 2007 |
| Replies: 4 Views: 3,065 a="2007-05-10"
b="2007-06-10"
awk -v a="$a" -v b="$b" 'BEGIN{
n=split(a,tmpa,"-")
m=split(b,tmpb,"-")
if ( ( tmpa[1] <= tmpb[1] ) && ( tmpa[2] <= tmpb[2] ) ){
print "correct"
}
else { print... |
| Forum: Shell Scripting Oct 28th, 2007 |
| Replies: 7 Views: 2,215 no need for cat
while read ....
do
....
done < inputfile.txt |
| Forum: Shell Scripting Oct 28th, 2007 |
| Replies: 4 Views: 1,863 it should not matter if you put $yr or ${yr}. Show your entire code that defined the variables.. |
| Forum: Python Sep 25th, 2007 |
| Replies: 2 Views: 1,922 why do you think that regular expression is the way to go?
>>> s1 =' 25000 '
>>> s1.replace(" ","")
'25000'
>>> s2 = ' 5.5910 '
>>> s2.replace(" ","")
'5.5910'
... |
| Forum: Python Sep 25th, 2007 |
| Replies: 4 Views: 2,888 it would be better to show a sample input file, your expected output as well.
to search in a file. just an example...considering i don't know what your file structure is like.
for line in... |
