1. Files which ever starting from f and ending with .txt i.e. f*.txt. All the files naming standard will be in the format f1_YYYYMMDD.txt.
2. Need to replace the file naming standard to specific date for e.g. f1_20140101.txt to f1_20140303.txt
3.The step 2 condition will be done based on the replacing the dated column to specific date say here to 20130303. My input file i.e f1_20140101.txt will have data like this:
the input file will follow the same pattern i need to replace the
1. 3rd dated position column to 20140303 in rest of lines
2. 2nd dated position column to 20140303 in last line of the input file
output some thing like this with file name replaced to f1_20140303.txt
I have a problem in the following code ...
while read line
do
#Get Line Number
OLDLINE=`sed -n $Lineno $filename`
echo "Un Changed Line : "$OLDLINE
echo "Enter a New Pattern : "
read NewPattern <&1
echo "NewPattern :"$NewPattern
NEWLINE=`cat $filename | sed -n... (1 Reply)
Hi Everyone,
cat 1.txt
aaa
bbb
ccc
outout will be
cat 2.txt
,,aaa,,bbb,ccc,,
means change "\n" to ",,", and add ",," into the beginging and ending.
right now i am using perl while to open and read the file, then split \t, feel not nice. please advice.
and i hear using perl... (8 Replies)
Hi All,
As mentioned in the title I have two text files and I would like to replace line number 5 of file #1 with line number 4 of file #2
e.g.
file 1
wqwert
4.4464002
3
319
286
369
46.320002
56.150002
45.100002
1
1
1
0.723 (12 Replies)
I have a file which has a list in it
pop
triangle
people
slow
fast
What I want to do is search this list and replace people with humans do the list looks like this:
pop
triangle
human
slow
fast
I think i use something like this....
if cat /list.txt | grep -q 'people' ; then (9 Replies)
Hi all,
I need to replace a line
export TZ=xxxxxxxx
with the line
export TZ=$1
Now, "xxxxxxxx" in the above line is some unknown string and $1 is a parameter. I want the content of $1 to be replaced with "xxxxxxxx".
Kindly help me how to do this in the shell scripting. (5 Replies)
Hello all,
I have data like
"1"|"My_name"|"My_Email"|"My_Last"|My_other"
"2"|"My_name"|"My_Email"|"My_Last"|My_other"
"3"|"My_name"|"My_Email"|"
"|My_other"
"1"|"My_name"|"My_Email"|"My_Last"|My_other"
Need output like
"1"|"My_name"|"My_Email"|"My_Last"|My_other"... (10 Replies)
Dear Unix Forums,
I am hoping you can help me with a pattern matching problem.
What am I trying to do?
I want to replace multiple lines of a text file (that match a multi-line pattern) with a single line of text. These patterns can span several lines and do not always have the same number of... (10 Replies)
Hi forum,
Can you please help me understand how to look for and replace the below pattern (containing line breaks) and return a new result?
Rules: Must match the 3 line pattern and return a 1 line result.
I have found solutions with sed, but it seems that sed installed in my system is... (5 Replies)
As per requirement if column 2 is NULL then 'N' ELSE 'Y'.
I have written below awk code. But it is not replacing values for first line. :confused:
cat temp.txt
1|abc|3
1||4
1|11|c
awk -F'|' '{if($2==""){$2="N"}else{$2="Y"} print $0 } {OFS="|"} ' < temp.txt
1 Y 3 ... (4 Replies)
Hello is it possible with awk or sed to replace any white space with the previous line characters in the same position?
I am asking this because the file I have doesn't always follow a pattern.
For example the file I have is the result of a command to obtain windows ACLs:
icacls C:\ /t... (5 Replies)
Discussion started by: nakaedu
5 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)