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UNIX for Dummies Questions & Answers
Delete records based on a text file from a text file
Post 302919682 by Akshay Hegde on Friday 3rd of October 2014 03:35:11 AM
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10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I have been working on a script to list all the name's of a subfolder in a text file then edit that text file and then delete the subfolder base on the edited text file so far I have been able to do every thing I just talked about but can't figure out how to delete the subfolers base on a text file... (8 Replies)
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Hi all
I currently use the following in shell.
#!/bin/sh
while read LINE
do
perl -i -ne "$/ = ''; print if !m'Using archive: ${LINE}'ms;" "datafile"
done < "listfile"
NOTE the single quote delimiters in the expression. It's highly likely the 'LINE' may very well have characters in it... (3 Replies)
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3. Shell Programming and Scripting
Hi,
I need a unix shell script for this requirement and is URGENT
My input text file contains
A-1
B-1
C-1
D-2
E-2
F-3
G-3
H-3
I-3
J-4
K-4
L-5
My expected result should be:
if flag is 1, it has to delete A, B, C
if flag is 2, it has to delete D,E
if flag is 3, it has to delete... (1 Reply)
Discussion started by: moses_a
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Hi,
To load a big file in a table,I have a make sure that all rows in the file has same number of the columns .
So in my file if I am getting any rows which have columns not equal to 6 , I need to delete it . Delimiter is space and columns are optionally enclosed by "".
This can be ... (1 Reply)
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Hi,
I am trying to extract lines from a text file given a text file containing line numbers to be extracted from the first file. How do I go about doing this? Thanks! (1 Reply)
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I have 2 TXT files with with 8 columns in them(tab separated). First file has 2000 entries whereas 2nd file has 300 entries.
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A text file has 2 fields (Data, Filename) delimited by # as below,
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Hi Folks,
I have a text file with lots of rows with duplicates in the first column, i want to filter out records based on filter columns in a different filter text file.
bash scripting is what i need.
Data.txt
Name OrderID Quantity
Sam 123 300
Jay 342 498
Kev 78 2500
Sam 420 50
Vic 10... (3 Replies)
Discussion started by: tech_frk
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9. Shell Programming and Scripting
Hi
I have two files one.txt and two.txt
one.txt
123
324
456
235
456
two txt
abc one 000 123 abc
abc one 000 456 abc
abc one 000 122 abc
abc one 000 111 abc
My question here is, the records which are present in one.txt has to deleted in second file two.txt
my output result... (2 Replies)
Discussion started by: Ganesh L
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10. Shell Programming and Scripting
Match text to lines in a file, iterate backwards until text or text substring matches, print to file
hi all,
trying this using shell/bash with sed/awk/grep
I have two files, one containing one column, the other containing multiple columns (comma delimited).
file1.txt
abc12345
def12345
ghi54321
...
file2.txt
abc1,text1,texta
abc,text2,textb
def123,text3,textc
gh,text4,textd... (6 Replies)
Discussion started by: shogun1970
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LEARN ABOUT REDHAT
mac2unix
dos2unix(1) General Commands Manual dos2unix(1) NAME
dos2unix - DOS/MAC to UNIX text file format converter SYNOPSYS
dos2unix [options] [-c convmode] [-o file ...] [-n infile outfile ...] Options: [-hkqV] [--help] [--keepdate] [--quiet] [--version] DESCRIPTION
This manual page documents dos2unix, the program that converts plain text files in DOS/MAC format to UNIX format. OPTIONS
The following options are available: -h --help Print online help. -k --keepdate Keep the date stamp of output file same as input file. -q --quiet Quiet mode. Suppress all warning and messages. -V --version Prints version information. -c --convmode convmode Sets conversion mode. Simulates dos2unix under SunOS. -o --oldfile file ... Old file mode. Convert the file and write output to it. The program default to run in this mode. Wildcard names may be used. -n --newfile infile outfile ... New file mode. Convert the infile and write output to outfile. File names must be given in pairs and wildcard names should NOT be used or you WILL lost your files. EXAMPLES
Get input from stdin and write output to stdout. dos2unix Convert and replace a.txt. Convert and replace b.txt. dos2unix a.txt b.txt dos2unix -o a.txt b.txt Convert and replace a.txt in ASCII conversion mode. Convert and replace b.txt in ISO conversion mode. Convert c.txt from Mac to Unix ascii format. dos2unix a.txt -c iso b.txt dos2unix -c ascii a.txt -c iso b.txt dos2unix -c mac a.txt b.txt Convert and replace a.txt while keeping original date stamp. dos2unix -k a.txt dos2unix -k -o a.txt Convert a.txt and write to e.txt. dos2unix -n a.txt e.txt Convert a.txt and write to e.txt, keep date stamp of e.txt same as a.txt. dos2unix -k -n a.txt e.txt Convert and replace a.txt. Convert b.txt and write to e.txt. dos2unix a.txt -n b.txt e.txt dos2unix -o a.txt -n b.txt e.txt Convert c.txt and write to e.txt. Convert and replace a.txt. Convert and replace b.txt. Convert d.txt and write to f.txt. dos2unix -n c.txt e.txt -o a.txt b.txt -n d.txt f.txt DIAGNOSTICS
BUGS
The program does not work properly under MSDOS in stdio processing mode. If you know why is that so, please tell me. AUTHORS
Benjamin Lin - <blin@socs.uts.edu.au> Bernd Johannes Wuebben (mac2unix mode) <wuebben@kde.org> MISCELLANY
Tested environment: Linux 1.2.0 with GNU C 2.5.8 SunOS 4.1.3 with GNU C 2.6.3 MS-DOS 6.20 with Borland C++ 4.02 Suggestions and bug reports are welcome. SEE ALSO
unix2dos(1) mac2unix(1) 1995.03.31 dos2unix v3.0 dos2unix(1)