08-26-2018
Please make the request more specific: do you want to delete the
- third line
- first duplicate line
- any duplicate lines
- second "Hello World" line
?
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I am trying to write a script that will take 2 or more instances of repetitive alphabets (ZZ) to be removed from a field. This should only happen from beginning and end of a field.
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Can somebody explain why my sed command is not working.
I do the folloinwg:
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Hi,
I have a file with values,
file1:
BELL-1180-1180-81|577:1017|
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4. Shell Programming and Scripting
Hi users
I have one file which has number of occurrence of one pattern
examples
Adjustmenttype,11
xyz 10
dwe 9
abd 13
def 14
Adjustmenttype,11
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nmb 12
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Hi,
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file='path../tfile'
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I've tried numerous commands, but I am not sure how to use sed in a loop. This is what I have:
VARZ contains CARD_FILE_LIST and it also contains CARD_FILE_LIST2
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CARD_FILE_LIST
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Hello SuperUsers! First i wanna say my english sucks.. Don't hate me for that. :rolleyes:
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My output file always same.
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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)