06-25-2013
What are you trying to do here???
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Need Help... I am getting a bad substitution error on my script on a Solaris Server. However the script has been proven to work on HPUX and Solaris servers...
#!/usr/bin/sh
#
# Set the location of the tzupdater.jar file
#
JAR=/tmp/tzupdater.jar # <<<<< UPDATE THIS LINE... (3 Replies)
Discussion started by: D_Redd74
3 Replies
2. Shell Programming and Scripting
Hi All,
We are in the process of Migrating from AIX 4 to Solaris 10 and getting a Few Errors.
I have been programming in shell but could never establish muself as an expert, hence please need you help.
I am Getting Bad Substitution error in my script, I have isolated the issue and its... (6 Replies)
Discussion started by: paragkhanore
6 Replies
3. Shell Programming and Scripting
hi,
i created a shell script having the following content:
#! /usr/bin/ksh
FROM="myemail@domain.com"
MAILTO="someemail@domain"
SUBJECT="TEST"
BODY="/export/home/adshocker/body.txt"
ATTACH="/export/home/adshocker/attach.prog"
echo $ATTACH
ATTACH_NAME="${ATTACH##*/}"
echo $ATTACH_NAME... (5 Replies)
Discussion started by: adshocker
5 Replies
4. Shell Programming and Scripting
Hello,
In bash I can use the following:
TMP=12345
MID=${TMP:1:1}
the expected result is: 2
but when using KSH I'm getting a ''bad substitution" error.
What is the correct syntaxin ksh?
Thanks (2 Replies)
Discussion started by: LiorAmitai
2 Replies
5. UNIX for Dummies Questions & Answers
#!/bin/bash
a1=( win 12,01,02,03,04 )
a2=( pre 04,05,06 )
a3=( msn 06,07,08,09 )
Given the above arrays, I want the script to return/echo the following in a loop;
win
12,01,02,03,04
pre
04,05,06,07
msn
06,07,08,09
But I can't get it to do as such.
I've tried; (2 Replies)
Discussion started by: Muhammad Rahiz
2 Replies
6. Shell Programming and Scripting
Hi All,
I'm building a new shell script but i'm facing a problem with one line which is giving "bad substitution" error. Please assist
script lines:
#!/bin/sh
printf "%s: " "Occurrence DATE (YYYYMMDD)"; read DATE
shortdate=${DATE#??}
o/p:
./test1: bad substitution
This command is... (2 Replies)
Discussion started by: Dendany83
2 Replies
7. Shell Programming and Scripting
Why I get bad replace when using eval?
$ map0=( "0" "0000" "0")
$ i=0
$ eval echo \${map$i}
0000
$ a=`eval echo \${map$i}` !!!error happens!!!
bash: ${map$i}: bad substitution
How to resolve it ?
Thanks! (5 Replies)
Discussion started by: 915086731
5 Replies
8. Shell Programming and Scripting
I have script data.sh which has following error.
Script Name : data.sh
#!/bin/sh
infile=$1
len=${#infile}
echo $len
texfile=${infile:0:$len-4}
echo $texfile
run command
./data.sh acb.xml
I get following error message: (5 Replies)
Discussion started by: man4ish
5 Replies
9. Shell Programming and Scripting
I want to get the last character from my machine name using the following code, the default shell is bash, the script runs in ksh.
I get 'bad' substitution error on running the script, but works fine if run using dot and space.
Why?
$ echo $0
bash
$ cat -n myenv.sh
1 ... (8 Replies)
Discussion started by: ysrini
8 Replies
10. Shell Programming and Scripting
Cant undestand :) why i have an error on line 2.it is working on my other boxes
#!/bin/bash
ret=$(echo Q | timeout 5 openssl s_client connect "${1`hostname`}:${2-443}" -ssl3 2> /dev/null)
if echo "${ret}" | grep -q 'Protocol.*SSLv3'; then
if echo "${ret}" | grep -q 'Cipher.*0000'; then
... (7 Replies)
Discussion started by: kenshinhimura
7 Replies
LEARN ABOUT DEBIAN
bup-margin
bup-margin(1) General Commands Manual bup-margin(1)
NAME
bup-margin - figure out your deduplication safety margin
SYNOPSIS
bup margin [options...]
DESCRIPTION
bup margin iterates through all objects in your bup repository, calculating the largest number of prefix bits shared between any two
entries. This number, n, identifies the longest subset of SHA-1 you could use and still encounter a collision between your object ids.
For example, one system that was tested had a collection of 11 million objects (70 GB), and bup margin returned 45. That means a 46-bit
hash would be sufficient to avoid all collisions among that set of objects; each object in that repository could be uniquely identified by
its first 46 bits.
The number of bits needed seems to increase by about 1 or 2 for every doubling of the number of objects. Since SHA-1 hashes have 160 bits,
that leaves 115 bits of margin. Of course, because SHA-1 hashes are essentially random, it's theoretically possible to use many more bits
with far fewer objects.
If you're paranoid about the possibility of SHA-1 collisions, you can monitor your repository by running bup margin occasionally to see if
you're getting dangerously close to 160 bits.
OPTIONS
--predict
Guess the offset into each index file where a particular object will appear, and report the maximum deviation of the correct answer
from the guess. This is potentially useful for tuning an interpolation search algorithm.
--ignore-midx
don't use .midx files, use only .idx files. This is only really useful when used with --predict.
EXAMPLE
$ bup margin
Reading indexes: 100.00% (1612581/1612581), done.
40
40 matching prefix bits
1.94 bits per doubling
120 bits (61.86 doublings) remaining
4.19338e+18 times larger is possible
Everyone on earth could have 625878182 data sets
like yours, all in one repository, and we would
expect 1 object collision.
$ bup margin --predict
PackIdxList: using 1 index.
Reading indexes: 100.00% (1612581/1612581), done.
915 of 1612581 (0.057%)
SEE ALSO
bup-midx(1), bup-save(1)
BUP
Part of the bup(1) suite.
AUTHORS
Avery Pennarun <apenwarr@gmail.com>.
Bup unknown- bup-margin(1)