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1. Shell Programming and Scripting
Hello,
Need a little bit of help. Basically I need to replace lines in a file which were calculated wrong as it would 12 hours to regenerate the data. I need to calculate values based on other files which I've managed to figure out with grep/cut but now am stuck on how to shove these new... (21 Replies)
Discussion started by: f77coder
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2. Shell Programming and Scripting
Hi all,
I have 2 files, the first one containing a list of ids and the second one is a master file. I want to search each id from the first file from the 5th col in the second file. The 5th column in master file has values separated by ';', if not a single value is present.
Each id must occur... (2 Replies)
Discussion started by: ritakadm
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3. Shell Programming and Scripting
I have the following data in a text file.
"A",1,"MyTextfile.CSV","200","This is ,line one"
"B","EFG",23,"MyTextfile1.csv","5621",562,"This is ,line two"
I want to extract the fileNames MyTextfile.CSV and MyTextfile1.csv.
The problem is not all the lines are delimited with ","
There are... (3 Replies)
Discussion started by: AshTrak
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4. Shell Programming and Scripting
Hi
I have a table like this
I want to know how many times the string in 2nd column appears in the first column as substring.
For example the first string of 2nd column "cgt" occurs 3 times in the 1st column and "acg" one time.
So my desired output is
THank you very much in advance:) (14 Replies)
Discussion started by: polsum
14 Replies
5. Shell Programming and Scripting
I have several files that I need to modify using sed. I know how to do that, but now a new requirement has come up.
Now, I need to make changes to all lines that don't start with certain strings. For example, I need to change all lines except for lines that start with "a", "hello there",... (3 Replies)
Discussion started by: RickS
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6. Shell Programming and Scripting
Hi guys,
got a problem here with sed on the command line.
If i have a string as below:
online xx:wer:xcv: sdf:/asdf/http:https-asdfd
How can i match the pattern "http:" and replace the start of the string to the pattern with null?
I tried the following but it doesn't work:
... (3 Replies)
Discussion started by: DrivesMeCrazy
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7. UNIX for Dummies Questions & Answers
Hi,
I have a file with the following contents:
I need to create a script or search command that will search for this string 'ENDC' in the file. This string is unique and only occurs in one record. Once it finds the string, I would like it to return positions 101-109 ( this is the date of... (0 Replies)
Discussion started by: Lenora2009
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8. Shell Programming and Scripting
Hi,
I have looked all over for this. I am attempting to get a the substring of a string using sed since it seemed the best solution for this.
For example my string is: "zzz foo to you and bar123 or foo"
I would like to extract the text between "and" and "or" (it could be anything, but... (2 Replies)
Discussion started by: CentaurAtlas
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9. UNIX for Dummies Questions & Answers
Hi All,
I have 2 programs running by the following names:
a_testloop.sh
testloop.sh
I read these programs names from a file and store each of them into a variable called $program.
On the completion of the above programs i should send an email.
When i use grep with ps to see if any of... (3 Replies)
Discussion started by: albertashish
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10. Shell Programming and Scripting
Well, I'm losing my regex ability in sed! Please help.
I need to search for this text in multiple html files in a directory:
</body>
and add the following lines in front of the text above:
<script src="http://www.google-analytics.com/urchin.js" type="text/javascript">
</script>
... (11 Replies)
Discussion started by: Neo
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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)