10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I have the following script that will print column 4 ("25") when column 1 contains "123". However, I need to ignore the alpha characters that are contained in the input file. If I were to ignore the characters my output would be column 3.
What is the best way to print my column of interest... (3 Replies)
Discussion started by: ncwxpanther
2. Shell Programming and Scripting
I want to use awk to match where field 3 contains a number within string - then print the line and just the number as a new field.
The source file is pipe delimited and looks something like
1|net|R_North|1123|||... (5 Replies)
Discussion started by: Mudshark
3. Shell Programming and Scripting
I need separate a file which is one huge line to multiple lines based on certain number of charactors. for example:
abcdefghi high abaddffdd
I want to separate the line to multiple lines for every 4 charactors.
the result should be
Thanks in... (5 Replies)
Discussion started by: ken6503
4. Shell Programming and Scripting
How to sepearate the list digit with letters : with a space from where the letters begins, or other words from where the digits ended.
The output should be looks like:
52049... (10 Replies)
Discussion started by: rveri
5. Shell Programming and Scripting
sed -e "s// /g" old.txt > new.txt
While I do know some control characters need to be escaped, can normal characters also be escaped and still work the same way? Basically I do not know all control characters that have a special meaning, for example, ?, ., % have a meaning and have to be escaped... (11 Replies)
Discussion started by: ijustneeda
6. Shell Programming and Scripting
In the vi editor, there seems to be some limit on the number of characters could be allowed in single line. I tried a line with characters up to 1880. It worked. But when i tried with something of 5000 characters, it doesnt work. Any suggestions.
Thanks in advance! (2 Replies)
Discussion started by: nram_krishna@ya
7. UNIX for Dummies Questions & Answers
I'm new to using AWK and would be grateful for some basic advice to get me started.
I have a file consisting of 10 fields. Initially I wish to calculate the number of . , ~ and ^ characters in the 9th field ($9) of each line. This particular string also contains alphabetical... (6 Replies)
Discussion started by: Olly
8. Shell Programming and Scripting
This is my problem, my file (file A) contains the following information:
Now, I would like to create a file (file B) containing only the lines with 10 or more characters but less than 20 with their corresponding ID:
Then, I need to compare the entries and determine their frequency. Thus, I... (7 Replies)
Discussion started by: Xterra
9. UNIX for Dummies Questions & Answers
How to add control characters at the end of each line in a file?
Can anyone help me with this?
Shobana (2 Replies)
Discussion started by: Shobana_s
10. Shell Programming and Scripting
Could any one please let me know what is the maximum number of characters
that will fit into a single line of a flat file on a unix.
Thanks. (1 Reply)
Discussion started by: Shivdatta