10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
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
6 Replies
2. Shell Programming and Scripting
Hi All,
I am trying to select the rows in a fixed width file based on values in the columns.
I want to select only the rows if column position 3-4 has the value AB
I am using cut command to get the column values. Is it possible to check if cut -c3-4 = AB is true then select only that... (2 Replies)
Discussion started by: ashok.k
2 Replies
3. UNIX for Dummies Questions & Answers
I need to search a string for some specific text which is no big deal using grep. My problem is when the search fails to find the text. I need to add text like "na" when my search does not match.
I have tried this command but it does not work when I put the command in a loop in a bash script:
... (12 Replies)
Discussion started by: jojojmac5
12 Replies
4. Shell Programming and Scripting
I want to make a script to read row by row and find its length. If the length is less than my required length then i hav to append spaces to that paritucular row. Each row contains special characters, spaces, etc.
For example my file contains ,
12345 abcdef
234 abcde
89012 abcdefgh
... (10 Replies)
Discussion started by: Amrutha24
10 Replies
5. Shell Programming and Scripting
I have a line of text for example
aaaa bbbb cccc dddd eeee ffffff
I would need to get the cccc however bbbb could be there or not.
So whether bbbb is in the line or not I need cccc.
I was looking at either awk or sed....and trying to start at c and end until the next space.
Also... (11 Replies)
Discussion started by: bombcan1
11 Replies
6. Shell Programming and Scripting
Hi
i have a file which have a pattern like this
Nov 10 session closed
Nov 10 Nov 9 08:14:27 EST5EDT 2010 on tty .
Nov 10 Oct 19 02:14:21 EST5EDT 2010 on pts/tk .
Nov 10 afrtetryytr
Nov 10 session closed
Nov 10 Nov 10 03:21:04 EST5EDT 2010
Dec 8 Nov 10 05:03:02 EST5EDT 2010
... (13 Replies)
Discussion started by: Himanshu_soni
13 Replies
7. Shell Programming and Scripting
Can someone please help?I have a file - fixed.txt----------------------------AABBBBCCCCCCDDDEEFFFFGGGGGGHHHIIJJJJKKKKKKLLL----------------------------To insert delimiters at fixed lengths of 2, 4, 6, 3, I created a file text1.txt as-------------------2463----------------------and trying to execute... (10 Replies)
Discussion started by: jd_mca
10 Replies
8. Shell Programming and Scripting
Hi,
I need to mass delete the following string(s) from my files
weight=100,
However the '100' is variable e.g
Current:
----------------
moretext=bar, weight=100, moreinfo=blah
extrastuff=hi, weight=9999, extrainfo=foo
Desired:
------------------
moretext=bar, moreinfo=blah... (2 Replies)
Discussion started by: rebelbuttmunch
2 Replies
9. Programming
needa c program to extract text between two delimiters from some text file.
and then storing them in to diffrent variables ?
text file like 0:
abc.txt
=========
aaaaaa|11111111|sssssssssss|333333|ddddddddd|34343454564|asass
aaaaaa|11111111|sssssssssss|333333|ddddddddd|34343454564|asass... (7 Replies)
Discussion started by: kukretiabhi13
7 Replies
10. Shell Programming and Scripting
Hi,
I have a file which contains many occurances of a string say "hellosunil".
I want to insert a newline charcater after all the "hellosunil" strings in the file.
trying to use sed,
sed -e 's/hellosunil/\\nhellosunil/g' file1
sed help says u cannot substitute a regular expression... (6 Replies)
Discussion started by: sunil_neha
6 Replies