Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

Remove parts from a filename

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Remove parts from a filename
# 1  
Old 05-28-2012
Remove parts from a filename
I want to remove the beginning and end of a filename and keep the middle.

E.g. tempblast7114_1#21110932.out_ the current filename

I want it to be called 7114_1#21 only

How would I do this??
# 2  
Old 05-28-2012
What's the logic for getting the required output?

Anyway, this will work for your input

Code:
echo "tempblast7114_1#21110932.out_"|cut -c 10-18

# 3  
Old 05-28-2012
I need to quickly see the filename, 7114_1#21, the surrounding just messes it up.

Can I use wildcard here? Since I have 84 of these files I want to do the same with.

echo "tempblast*110932.out_"|cut -c 10-18

I also have filenames like 7114_1#1, using the above will leave one digit I want removed....

echo should be removed when I run it or?

Isn't there a way to declare what to be removed, like tempblast and 11093.out_?

I'm totally new at this, appreciate the answer!
# 4  
Old 05-28-2012
see the below code -
Code:
#original File name
filename=tempblast12345A11093.out_

#define pattern 1
pat1=tempblast
#define pattern 2
pat2=11093.out_

#find the length of each pattern including filename
WLEN1=${#pat1}
WLEN2=${#pat2}
FLEN=${#filename}

#calculate the first position to cut
POS1=`expr $WLEN1 + 1`
#calculate the second position to cut
POS2=`expr $FLEN - $WLEN2`

#assign the new filename into new variable and print
NFILE=`echo $filename|cut -c$POS1-$POS2`
echo $NFILE

Last edited by donadarsh; 05-28-2012 at 04:38 PM..
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to remove answers and explanation parts from a text file with lots of questions.?

Hi, I have a text file with thousands of questions in it. Each question (multiple lines) with multiple choice options, Answer and Explanation (optional). I need to delete Answer & explanation parts for all Questions and insert a blank line before net question. Each question starts with NO. I... (4 Replies)
Discussion started by: prvnrk
4 Replies

2. Shell Programming and Scripting

Remove spaces in filename

Hi team, Here's a requirement for me. Here are the list of files i have in a unix directory. W 2 A D_2014.csv W 3 A D_2014.csv W 4 A D_2014.csv /home/kmani00-> uname -a AIX sliyyvxx 1 6 00F613E54C00 /home/kmani00-> The file names has to be without spaces as follows. W2AD_2014.csv... (1 Reply)
Discussion started by: kmanivan82
1 Replies

3. Shell Programming and Scripting

Remove the last 9 characters of a filename

Hi All! Please can someone help, I have a dir with the following files: ~-rw-r--r-- 1 emmuser users 2087361 Oct 16 15:50 MPGGSN02_20131007234519_24291.20131007 -rw-r--r-- 1 emmuser users 2086837 Oct 16 15:50 MPGGSN02_20131007233529_24272.20131007 -rw-r--r-- 1 emmuser ... (7 Replies)
Discussion started by: fretagi
7 Replies

4. Shell Programming and Scripting

Incrementing parts of ten digits number by parts

I have number in file which contains date and serial number: 2013101000. The last two digits are serial number (00). So maximum of serial number is 100. After reaching 100 it becomes 00 with incrementing 10 which is day with max 31. after reaching 31 it becomes 00 and increments 10... (31 Replies)
Discussion started by: Natalie
31 Replies

5. Shell Programming and Scripting

How to remove sections of a filename?

Hello, I need some help with renaming some files by removing a certain portion of the filename. The current file name is: ABC_2013186197_20130708_203556.95336 I need to remove the 5 digits after the first "_". The new file name should be: ABC_197_20130708_203556.95336 I'm not quite... (5 Replies)
Discussion started by: bbbngowc
5 Replies

6. Shell Programming and Scripting

Using bash to separate files files based on parts of a filename

Hey guys, Sorry for the basic question but I have a lot of files that I want to separate into groups based on filenames which I can then cat together. Eg I have: (a_b_c.txt) WB34_2_SLA8.txt WB34_1_SLA8.txt WB34_1_DB10.txt WB34_2_DB10.txt WB34_1_SLA8.txt WB34_2_SLA8.txt 77_1_SLA8.txt... (1 Reply)
Discussion started by: Breentax
1 Replies

7. Shell Programming and Scripting

how to remove last two extensions of a filename

hi how to remove extensions of a file.. suppose i have a filename "gtk2-2.4.13-24.el4.x86_64.rpm" and i want the file name as "gtk2-2.4.13-24.el4" means want to remove last two "." extensions of a file can anyone help me in this thanks in advance srik (12 Replies)
Discussion started by: srikanthg
12 Replies

8. Shell Programming and Scripting

How to remove numbers from filename

Hi all, Can I edit this script: find . -type f | while read i;do && mv "$i" "${i//abc/}" ;done so that it will not only take out abc from the filename but also take out any numbers that might be in the filename as well. An example would be, Input: filename abc 2009.mov Output:... (7 Replies)
Discussion started by: Monkey Dean
7 Replies

9. Shell Programming and Scripting

A problem for sed? Remove parts of a string

Hi, My knowledge about sed is limited but I have a problem that I think can be solved with sed. I have a variable in a shell script that stores a lot of path/filenames and the delimitter between them is a space (they all exist on the same line). One part of the filename is the file creation... (4 Replies)
Discussion started by: pcrs
4 Replies

10. UNIX for Dummies Questions & Answers

remove filename prefix

I've got a bunch of files called oldabc, olddef etc. i want to copy these to be abc, def.... I can do this with file extensions....but can get the logic to work for prefixes. All the files I am interested in have a prefix of 'old'. This loop is no good for me....it looks at the content... (2 Replies)
Discussion started by: peter.herlihy
2 Replies
Login or Register to Ask a Question