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. Programming
How to replace a word in text file using c++ fstream. Is there a way, without creating any temporary file. Could you please share pseudo code ??? (1 Reply)
Discussion started by: techmonk
1 Replies
3. UNIX for Dummies Questions & Answers
I have a space delimited text file where I want to replace all cells that are 0 with NA. However I cannot simply use 'sed/0/NA/g' because there are other 0's in the text file that are part of numbers.
Example input:
896.933464285715
0
874.691732142857
866.404660714286
Output:... (1 Reply)
Discussion started by: evelibertine
1 Replies
4. Shell Programming and Scripting
I have huge text files (~120 MB)x100 which equivalents to ~11GB of data. The files contain pure numbers, actually the value of "phi" to 10 billion digits!!
I know its huge!! Here are the last few lines of a file
0952899155 3233967444 3344925499 0276061529 7261968933 9683989044 3317145063... (14 Replies)
Discussion started by: shantanuthatte
14 Replies
5. UNIX for Dummies Questions & Answers
Say I had a text file that contained four columns, like the following:
Mack Christopher:237 Avondale Blvd:970-791-6419:S
Ben Macdonor:30 Dragon Rd:647-288-6395:B
I'm making a loop that will replace the fourth column a line in the file with the contents of a variable 'access', but I have no... (6 Replies)
Discussion started by: Sotau
6 Replies
6. UNIX for Dummies Questions & Answers
Hi everyone,
I'm having trouble figuring this one out. I have ~100 *.fa files with multiple lines of fasta sequences like this: file1.fa
>xyzsequence
atcatgcacac......
ataccgagagg.....
atataccagag.....
>abcsequence
atgagatatat.....
acacacggd.....
atcgaacac....
agttccagat....
The... (2 Replies)
Discussion started by: mycoguy
2 Replies
7. Shell Programming and Scripting
I have played with this for some time but i dont seem like i am getting it right. I am trying to change the delimiters on a file so i can import it into a database. this file has rows of data separated by enter
Right now the delimiters are represented by tabs and " ".
e.g.
"dlfkldfs... (9 Replies)
Discussion started by: salemh
9 Replies
8. Shell Programming and Scripting
I'm trying to change the ramfs size in kernel .config automatically.
I have a ramfs_size file generated with du -s
cat ramfs_size
64512
I want to replace the linux .config's ramdisk size with the above value
CONFIG_BLK_DEV_RAM_SIZE=73728
Right now I'm doing something dumb like: ... (3 Replies)
Discussion started by: amoeba
3 Replies
9. Shell Programming and Scripting
Hi all,
Very first post on this forums, hope you can help me with this scripting task.
I have a big text file with over 3000 lines, some of those lines contain some text that I need to replace, lets say for simplicity the text to be replaced in those lines is "aaa" and I need it to replace it... (2 Replies)
Discussion started by: Angelseph
2 Replies
10. Shell Programming and Scripting
Hi,
Im trying to update some properties files with text from another file:
file1
user=xyz
file2
user=
after script
file2
user=xyz
Im using this reading the $QUARTZURL,ETC... from quartz.properties:
echo... (1 Reply)
Discussion started by: mc1392
1 Replies