07-07-2010
Superb...Thats why your name is guru.
I was breaking my head with "sed 's/$[0-9]//'.
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1. Shell Programming and Scripting
I have a string like xxxxxx44. What's the best way to extract the digits (one or more) in a ksh script?
Thanks (6 Replies)
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2. Shell Programming and Scripting
Hey guys, Can sed or another command be used to examine a path such as
/home/test/blah/blahand check to see if the last character is a "/" and if so remove it
So this is what should happen:
/home/test/blah/blahnothing happens, this is ok
/home/test/blah/blah/the "/" at the end is... (6 Replies)
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3. Shell Programming and Scripting
Hi All,
How to remove a box like special character which appears at the end of a string/line/record. I have no clue what this box like special character is. It is transparent square like box. This appears in a .DAT file at the end of header.
I'm to compare a value in header with a parameter.... (16 Replies)
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4. Shell Programming and Scripting
Hi
i had String like
UID: ABC345QWE678GFK345SA90, LENGTH 32
when I used awk ' FS, {print $1}' prints
ABC345QWE678GFK345SA90,
how can i getrid of that coma at the end of the string.
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5. Shell Programming and Scripting
Hi there, im sure this is really simple but i have some strings like this
e1000g123001
e1000g0
nge11101
nge3and i want to create two variables ($DRIVER and $INSTANCE). the first one containing the alpha characters that make up the first part of the string, e.g. e1000g or nge and the... (9 Replies)
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6. Shell Programming and Scripting
I would like to search between two a string. I thought this would be easy. The is always at the beginning of a line.
The code:
gawk '/^/{d=$1},/searchstring/,/^(d+1)/'
or
gawk '/^/,/searchstring/,/^/'
did not return the desired result.
inputfile.txt
999 some text searchstring some... (6 Replies)
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7. Shell Programming and Scripting
I have this:
301205 0000030000041.49000000.00 2011111815505 908
301205 0000020000029.10000000.00 2011111815505 962
301205 0000010000027.56000000.00 2011111815505 3083
312291 ... (2 Replies)
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8. Shell Programming and Scripting
Hi,
I am trying to remove lines once a string is found till another string is found including the start string and end string. I want to basically grab all the lines starting with color (closing bracket). PS: The line after the closing bracket for color could be anything (currently 'more').... (1 Reply)
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9. Shell Programming and Scripting
Dear All
I am having a text file which is having more than 200 lines.
EX:
001010122 12000 BIB 12000 11200 1200003
001010122 2000 AND 12000 11200 1200003
001010122 12000 KVB 12000 11200 1200003
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10. Shell Programming and Scripting
How can I extract digits at the end of a string in UNIX shell scripting or perl?
cat file.txt
abc_d123_4567.txt
A246_B789.txt
B123cc099.txt
a123_B234-012.txt
a13.txt
What can I do here? Many thanks.
cat file.txt | sed "s/.txt$//" | ........
4567
789
099
012
13 (11 Replies)
Discussion started by: mingch
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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)