I am facing some strange problem.
I know, there is only one record in a file 'test.txt' which starts with 'X'
I ensure that with following command,
awk /^X/ test.txt | wc -l
This gives me output = '1'.
Now I take out this record out of the file, as follows :
awk /^X/ test.txt >... (1 Reply)
Hi,
I have one file stat.
Stat file contents are as follows: for example.
H50768020040913,00260100,507680,13,0000000643,0000000643,00000,0000
H50769520040808,00260100,507695,13,0000000000,0000000000,00000,0000 H50770620040611,00260100,507706,13,0000000000,0000000000,00000,0000
Now i... (1 Reply)
hi all,
i am again surrounded by a big problem,,,
i have 2 files
file1.txt file2.txt
aaaa xxxx xxxxx
xxxxxxxxxxxxxxx
zzzz zzzz zzz bbb
aaaa xx xxxx xxxx
xxx zzzz zzzz zzz... (1 Reply)
Hi,
I am trying to send oracle archives over WAN and it is taking hell a lot of time. To reduce the time, I tried to gzip the files and send over to the other side. That seems to reduce the time. Does anybody have experienced this kind of problem and any possible ways to reduce the time.
... (1 Reply)
hi friends,
i have to cut a large html file between tag " <!-- DEFACEMENTS ROWS -->"
"<!-- DISCLAIMER FOOTER -->"
and store cut data in other file
please help me!!!! (2 Replies)
Hello everyone,
suppose there is a very big text file (>800 mb) that each line contains an article from wikipedia. Each article begins with a tag (<..>) containing its url. Currently there are 10^6 articles in the file.
I want to take random N articles, eliminate all non-alpharithmetic... (14 Replies)
I have many files which contain about two million lines.
Now I want to use sed to delete the 9th line and add a new
line behind the 8th line. I use the command as follows:
for((i=1;i<100;i++));
do
echo $i;
sed -i '9d' $i.dat;
sed -i '8a this is a new line' $i.dat;
done
But it is... (3 Replies)
Hi
We are using sed to clean up a file of a pattern and its talking a lot of time on XML output file
The command that we are using is
sed -e "s/tns1://g" $OUTPUTFILENM > $TEMPFILE
Where $OUTPUTFILENM is the file to be cleaned and $TEMPFILE is the cleaned output
Can you... (3 Replies)
Gents,
Please can u help me to improve this script to be more faster, it works perfectly but for big files take a lot time to end the job..
I see the problem is in the step (while) and in this part the script takes a lot time..
Please if you can find a best way to do will be great.
... (13 Replies)
I am trying to use the below sed command to replace all "|" to ^, in a folder had 50 dat files. when i tried with 1 file it worked but when i tried with wild card, is not working.
sed -i 's/"|"/\^/g' *.dat
Is this the proper way to use sed command thank you very much for help. (3 Replies)
Discussion started by: cplusplus1
3 Replies
LEARN ABOUT DEBIAN
shtool-subst
SHTOOL-SUBST.TMP(1) GNU Portable Shell Tool SHTOOL-SUBST.TMP(1)NAME
shtool-subst - GNU shtool sed(1) substitution operations
SYNOPSIS
shtool subst [-v|--verbose] [-t|--trace] [-n|--nop] [-w|--warning] [-q|--quiet] [-s|--stealth] [-i|--interactive] [-b|--backup ext]
[-e|--exec cmd] [-f|--file cmd-file] [file] [file ...]
DESCRIPTION
This command applies one or more sed(1) substitution operations to stdin or any number of files.
OPTIONS
The following command line options are available.
-v, --verbose
Display some processing information.
-t, --trace
Enable the output of the essential shell commands which are executed.
-n, --nop
No operation mode. Actual execution of the essential shell commands which would be executed is suppressed.
-w, --warning
Show warning on substitution operation resulting in no content change on every file. The default is to show a warning on substitution
operations resulted in no content change on all files.
-q, --quiet
Suppress warning on substitution operation resulting in no content change.
-s, --stealth
Stealth operation. Preserve timestamp on file.
-i, --interactive
Enter interactive mode where the user has to approve each operation.
-b, --backup ext
Preserve backup of original file using file name extension ext. Default is to overwrite the original file.
-e, --exec cmd
Specify sed(1) command directly.
-f, --file cmd-file
Read sed(1) command from file.
EXAMPLE
# shell script
shtool subst -i -e 's;(c) ([0-9]*)-2000;(c) 1-2001;' *.[ch]
# RPM spec-file
%install
shtool subst -v -n
-e 's;^(prefix=).*;1 $RPM_BUILD_ROOT%{_prefix};g'
-e 's;^(sysconfdir=).*;1 $RPM_BUILD_ROOT%{_prefix}/etc;g'
`find . -name Makefile -print`
make install
HISTORY
The GNU shtool subst command was originally written by Ralf S. Engelschall <rse@engelschall.com> in 2001 for GNU shtool. It was prompted
by the need to have a uniform and convenient patching frontend to sed(1) operations in the OpenPKG package specifications.
SEE ALSO shtool(1), sed(1).
18-Jul-2008 shtool 2.0.8 SHTOOL-SUBST.TMP(1)