Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Extract date from filename and create a new file
Top Forums Shell Programming and Scripting Extract date from filename and create a new file Post 302501498 by angel1001 on Thursday 3rd of March 2011 05:47:52 PM
Old 03-03-2011
Extract date from filename and create a new file
Hi, i have a filename CRED20102009.txt in a server

20102009 is the date of the file ddmmaaaa format

the complete route is
/dprod/informatica/Fuentes/CRED20102009.csv

i want to extract the date to create a new file named Parameters.txt

I need to create Parameters.txt with this content in the same /dprod/informatica/Fuentes route

[Comercial.AACPWM001]
$$Date = 20091020 aaaammdd format

how i can do that in unix in a shell, i'm beginner

Thanks
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

create filename with 'DD/MM/YYYY' date format

Hi, I can use the following command to create a file with some name then underscore and then date appended to it in the format 'DD-MM-YYYY': touch "newfile_`date '+%d-%m-%Y'`" But it gives me error when I try with the similar command to create a file with the date format 'DD/MM/YYYY'. I... (4 Replies)
Discussion started by: royalibrahim
4 Replies

2. UNIX for Dummies Questions & Answers

Extract first line of a file and use as filename

I am trying to find a way to create a script which will extract the first line of a file and then rename the file (or create a new file with the same content as the old file) using the first line as the name. The first line being a single word, that is. I am hopeless at programming, if anyone can... (5 Replies)
Discussion started by: s.plumb
5 Replies

3. UNIX for Dummies Questions & Answers

shell scripts - create a filename with the date appended

I am looking to do something where if I created a file named backup,or whatever it would print a name like “backup_Apr_11_2011”. Thanks citizencro (1 Reply)
Discussion started by: citizencro
1 Replies

4. Shell Programming and Scripting

Extract date from filename and set timestamp

I have lots of files in this format: dvgrab-2003.06.29_15-30-24.mpg The numbers represents the date and time (YYYY.MM.DD_HH-MM-SS) How can I extract the dates from the filenames, and use the dates in the file timestamp? I guess this can be done by using "find", "sed" and "touch"? Can... (6 Replies)
Discussion started by: qwerty1234
6 Replies

5. UNIX for Dummies Questions & Answers

Create file with last month in filename

Hi, I have a bash script which outputs a file with current year and month in the filename. Last line is: cat result_* > output.$(date +%y%m) So for Feb 2013 this gives me output.1302 Now I am requested to run the script every first day of the month, but with the previous month in... (4 Replies)
Discussion started by: viscacha
4 Replies

6. UNIX for Dummies Questions & Answers

Extract Date part from the filename

Hi All, I have incoming source files abcmmyy.txt I need to extract the mmyy part from the filename and pass that to a variable . I really appreciate your quick response on this. Thanks raj (7 Replies)
Discussion started by: rajeevm
7 Replies

7. Shell Programming and Scripting

Extract data according to keys from filename mentioned in file

Hello experts, I want to join a file with files whosE names are mentioned in one of the columns of the same file. File 1 t1,a,b,file number 1 t1,a,c,file number 1 t2,c,d,file number 2 t2,c,e,file number 2 t2,c,f,file number 2 t2,c,g,file number 2 t3,e,f,file number 3 file number 1... (3 Replies)
Discussion started by: ritakadm
3 Replies

8. UNIX for Beginners Questions & Answers

How to extract date and time from filename?

Hi, I'm totally new in sell script and working with a shell code. I want to extract the date and time from the filenames. The filenames are different but all of them begins with WI_ SCOPE_: WI_SCOPE_DATA_CHANGE_2017-09-12_15-30-40.txt WI_SCOPE_BACK_COMPLETE_QUEUE_2017-09-12_15-31-40.txt... (5 Replies)
Discussion started by: Home
5 Replies

9. UNIX for Beginners Questions & Answers

How to extract when filename contains file seperator..?

Hi, I want to extract part of filename, for eg: File="010020004_S-TOR-Sort-CASAP_20170519_121504_0007.TXT" here i need first 5 words of file i.e. FilePart="$(echo "${File%"${File#******}"}")" Echo $FilePart 010020004_S-TOR-Sort-CASAP But what if i get filename like below: ... (3 Replies)
Discussion started by: gnnsprapa
3 Replies

10. UNIX for Beginners Questions & Answers

Extract date and time part from filename

Hi, I am facing one scenario in which I need to extract exact position of date and time from the name of the files. For example, Below is the record in which I need to extract position of YYYYMMDD,HHMISS and YYMMDD. Date and time variables can come more than once. I need to use these position... (13 Replies)
Discussion started by: Prathmesh
13 Replies

LEARN ABOUT REDHAT

dos2unix

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)
All times are GMT -4. The time now is 07:14 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy