04-27-2009
does anyone have any more suggestions coz both of them dont seem to work
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1. Shell Programming and Scripting
Hi,
I'd like to grep a variable that I saved in the program.
Like
grep '0\$variable1' file1
Does someone know what's wrong with this command?
Thanks a lot! (2 Replies)
Discussion started by: whatisthis
2 Replies
2. Shell Programming and Scripting
Hi, I can't get this script to work (returns 0, should return 3):
$ cat A.lst | \
while read LINE
do
echo "$LINE"
grep -c "$LINE" B.tmp
done> > > > >
Socket
0
$
but in contrast this one works fine (returns 3 as expected):
$ LINE=Socket
$ grep -c $LINE B.tmp
3
$ (5 Replies)
Discussion started by: ozvena
5 Replies
3. Shell Programming and Scripting
Hi all,
I am trying to do a simple thing in my mind. However I am fairly new to bash. What I need to do is create a folder for each partition on each CD, and each partition has a unique name (with spaces in it, do not ask why, it is already done :confused: ) . All CD's will show up... (2 Replies)
Discussion started by: sgstuart
2 Replies
4. Shell Programming and Scripting
how can I use grep with a variable to find a value?
cat data.out
Hello World
grep "Hello World" data.out
Hello World ## Value found
I want to do something like this but can't seem to get it to work any
suggestions would be appreciated.
var="Hello World"
grep $var data.out (3 Replies)
Discussion started by: BeefStu
3 Replies
5. Shell Programming and Scripting
I want to search a text in file but that file is pointing to variable.
ex:
file=there was nothing special
grep "there was nothing" $file
but its not working . Can u let me know that how we can use variable($file) in grep command.
Please use code tags (6 Replies)
Discussion started by: allthanksquery
6 Replies
6. Shell Programming and Scripting
I have a pattern like:
column "5" is missing
PS: the no is in double quotes.
The number usally changes, so we use a loop to grep.
grep 'column "$number" is missing' filename.txt
But it is not working....
How to solve this? (2 Replies)
Discussion started by: karumudi7
2 Replies
7. Shell Programming and Scripting
Hello,
I usually search extensively and have to date found what I've needed. However, this one's got me stumped. I need to create a variable as follow. The issue however is that upon execution, it freezes. $var1 isn't always present in usage.log and this is fine but I'd like it to continue with... (6 Replies)
Discussion started by: shadyuk
6 Replies
8. Shell Programming and Scripting
I've got a file that I'm trying to grep through that looks like this:
alpha1
alpha2
alpha3
beta1
beta2
gamma5
gamma6
gamma7
gamma8
gamma9
and I want the output to only contain the line with the highest value for each, so the output I want is:
alpha3
beta2
gamma9
I also need... (11 Replies)
Discussion started by: tiberione
11 Replies
9. Shell Programming and Scripting
Hi,
I am trying to grep one variable over the other variable
Example:
i=abc
j=ab
grep $j $i
I am getting this error:
The error is due to $i being variable and not file. I know I could do it by putting the value of abc in a file
and then greping it. (1 Reply)
Discussion started by: pinnacle
1 Replies
10. UNIX for Beginners Questions & Answers
hi
i have a file which contains some messages counters.
below is the snippet on the file.
17-05-29::22:36:21|message|231
17-05-29::22:36:31|message|222
17-05-29::22:36:41|message|213
17-05-30::22:36:51|message|221
17-05-30::22:37:01|message|227
17-05-30::22:37:11|message|207... (5 Replies)
Discussion started by: scriptor
5 Replies
LEARN ABOUT DEBIAN
ptrepack
PTREPACK(1) General Commands Manual PTREPACK(1)
NAME
ptrepack - Copy any PyTables Leaf, Group or complete subtree into another file.
SYNOPSIS
ptrepack -h -v -o -R start,stop,step --non-recursive --dest-title=title --dont-copyuser-attrs --overwrite-nodes --complevel=(0-9) --com-
plib=lib --shuffle=(0|1) --fletcher32=(0|1) --keep-source-filters --upgrade-flavors --dont-regenerate-old-indexes sourcefile:sourcegroup
destfile:destgroup
DESCRIPTION
Copy any Leaf, Group or complete subtree from a PyTables file into another file.
OPTIONS
A summary of options is included below.
-h Prints a help text.
-v Show more information.
-o Overwite destination file.
-R RANGE
Select a RANGE of rows in the form start,stop,step during the copy of all the leaves.
--non-recursive
Do not do a recursive copy. Default is to do it.
--dest-title=title
Title for the new file (if not specified, the source is copied).
--dont-copy-userattrs
Do not copy the user attrs (default is to do it).
--overwrite-nodes
Overwrite destination nodes if they exist. Default is not to overwrite them.
--complevel=(0-9)
Set a compression level (0 for no compression, which is the default).
--complib=lib
Set the compression library to be used during the copy. lib can be set to "zlib", "lzo", "ucl" or "bzip2". Defaults to "zlib".
--shuffle=(0|1)
Activate or not the shuffling filter (default is active if complevel>0).
--fletcher32=(0|1)
Whether to activate or not the fletcher32 filter (not active by default).
--keep-source-filters
Use the original filters in source files. The default is not doing that if any of --complevel, --complib, --shuffle or --fletcher32
option is specified.
--upgrade-flavors
When repacking PyTables 1.x files, the flavor of leaves will be unset. With this, such a leaves will be serialized as objects with
the internal flavor ("numpy" for 2.x series).
--dont-regenerate-old-indexes
Disable regenerating old indexes. The default is to regenerate old indexes as they are found.
SEE ALSO
ptdump(1).
These utilities are documented fully by PyTables user's manual.
AUTHOR
This manual page was written by Francesc Altet <faltet@carabos.com>.
July 7, 2007 PTREPACK(1)