Sponsored Content
Top Forums UNIX for Beginners Questions & Answers Substr with % - extract numbers only Post 303035756 by RudiC on Sunday 2nd of June 2019 09:37:46 AM
Old 06-02-2019
I guess you're looking for awk options / opportunities? There are several:
- just eliminate the last character: print substr ($5, 1, length($5)-1)
- eliminate the % character from $5: sub (/%/, "", $5), print $5
- or use a feature of awk when doing arithmetics: print $5+0


Once you're at it, and you're using awk anyhow, why not do all of it in awk?
Code:
df -k | awk '! /Filesystem|:/ {print $5+0}'

 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Extract numbers from a string and store in variables

Hi All, Is it possible in Unix shell script to extract numbers from a string containing ".", such as; 5.2.314 And store in variables so; var1 = 5 var2 = 2 var3 = 314 Thanks in advance for any help anyone can provide dave (6 Replies)
Discussion started by: davewg
6 Replies

2. Shell Programming and Scripting

Extract numbers below words with awk

Hi all, Please some help over here. I have a Sales.txt file containing info in blocks for every sold product in the pattern showed below (only for 2 products). NEW BLOCK SALE DATA PRODUCT SERIAL 79833269999 146701011945004 .Some other data .Some... (17 Replies)
Discussion started by: cgkmal
17 Replies

3. Shell Programming and Scripting

extract numbers from a word

Hi ppl, I am a bit lost on this...can some one assist. I know this can be down with awk or sed, but i cant get the exact syntax right. I need to only extract the numbers from a signle word ( eg abcd.123.xyz ) How can i extract 123 only ? Thanks (14 Replies)
Discussion started by: systemali
14 Replies

4. Shell Programming and Scripting

BASH. Need to extract some numbers and take the average

Hey all, I ran some simulations, of which the output is 100s of files. I've used grep to extract the vital information needed from the files. This has made my task somewhat easier. But I still need to perform some mathematical calculations (average and geometrical average) on the results of the... (9 Replies)
Discussion started by: slackjack
9 Replies

5. UNIX for Dummies Questions & Answers

Extract numbers from .txt file

I need to extract all the p-value numbers and the rho numbers from a .txt file and write them as coma separated values in a new file. Ideally I would get two files in the end, one for p- values and one for rho. Any suggestions? I appreciate your help!!! The .txt file looks essentially like this... (5 Replies)
Discussion started by: eggali
5 Replies

6. Shell Programming and Scripting

awk extract certain digits from file with index substr

I would like to extract a digit from $0 starting 2,30 to 3,99 or 2.30 to 3.99 Can somebody fix this? awk --re-interval '{if($0 ~ /{1}{2}/) {print FILENAME, substr($0,index($0,/{1}{2}/) , 4)}}'input abcdefg sdlfkj 3,29 g. lasdfj alsdfjasl 2.86 gr. slkjds sldkd lskdjfsl sdfkj kdjlksj 3,34 g... (4 Replies)
Discussion started by: sdf
4 Replies

7. UNIX for Dummies Questions & Answers

Extract Numbers from a log file

Hi, I am trying to grep/extract the number list from this log file, can I get some help on this. I can grep the word 'href' to see the numbers, but it is resulting with the complete line. Content of my file: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <html> <head>... (4 Replies)
Discussion started by: Sajjadmehdi
4 Replies

8. Shell Programming and Scripting

Extract numbers from file name-how to ?

Hello friends,I am new to Unix programming. how do I achieve the following in Unix shell script (I am running ksh on AIX) extract the number from name of file? My file format is like "LongFileName-1234.020614-221030.txt" now I want to extract value which is between (-) hyphen and (.) dot... (4 Replies)
Discussion started by: f150
4 Replies

9. Shell Programming and Scripting

How to use substr to extract character between two semicolon?

Dear folks Hello I have a data set which one of the column of this data set are string and I want to extract numbers which is between two ":". However, I know the substr command which will do this operation but my problem is the numbers between two ":" have different digits. this will make my... (11 Replies)
Discussion started by: sajmar
11 Replies

10. Shell Programming and Scripting

Substr/Instr in shell script or extract part of text

Hi, I need to extract part of a text to two variables text is "PL/SQL procedure successfully completed. ERROR ----------------------------------------------------------------- Test Error Message PLUSVAR ---------- 1" I want "Test Error Message" in one variable and "1" in another variable.... (11 Replies)
Discussion started by: vedavrath
11 Replies
bup-meta(1)						      General Commands Manual						       bup-meta(1)

NAME
bup-meta - create or extract a metadata archive SYNOPSIS
bup meta --create [-R] [-v] [-q] [--no-symlinks] [--no-paths] [-f file] <paths...> bup meta --list [-v] [-q] [-f file] bup meta --extract [-v] [-q] [--numeric-ids] [--no-symlinks] [-f file] bup meta --start-extract [-v] [-q] [--numeric-ids] [--no-symlinks] [-f file] bup meta --finish-extract [-v] [-q] [--numeric-ids] [-f file] DESCRIPTION
bup meta either creates or extracts a metadata archive. A metadata archive contains the metadata information (timestamps, ownership, access permissions, etc.) for a set of filesystem paths. OPTIONS
-c, --create Create a metadata archive for the specified paths. Write the archive to standard output unless --file is specified. -t, --list Display information about the metadata in an archive. Read the archive from standard output unless --file is specified. -x, --extract Extract a metadata archive. Conceptually, perform --start-extract followed by --finish-extract. Read the archive from standard input unless --file is specified. --start-extract Build a filesystem tree matching the paths stored in a metadata archive. By itself, this command does not produce a full restora- tion of the metadata. For a full restoration, this command must be followed by a call to --finish-extract. Once this command has finished, all of the normal files described by the metadata will exist and be empty. Restoring the data in those files, and then calling --finish-extract should restore the original tree. The archive will be read from standard input unless --file is specified. --finish-extract Finish applying the metadata stored in an archive to the filesystem. Normally, this command should follow a call to --start- extract. The archive will be read from standard input unless --file is specified. -f, --file=filename Read the metadata archive from filename or write it to filename as appropriate. If filename is "-", then read from standard input or write to standard output. -R, --recurse Recursively descend into subdirectories during --create. --numeric-ids Apply numeric user and group IDs (rather than text IDs) during --extract or --finish-extract. --symlinks Record symbolic link targets when creating an archive, or restore symbolic links when extracting an archive (during --extract or --start-extract). This option is enabled by default. Specify --no-symlinks to disable it. --paths Record pathnames when creating an archive. This option is enabled by default. Specify --no-paths to disable it. -v, --verbose Be more verbose (can be used more than once). -q, --quiet Be quiet. EXAMPLES
# Create a metadata archive for /etc. $ bup meta -cRf etc.meta /etc bup: removing leading "/" from "/etc" # Extract the etc.meta archive (files will be empty). $ mkdir tmp && cd tmp $ bup meta -xf ../etc.meta $ ls etc # Restore /etc completely. $ mkdir tmp && cd tmp $ bup meta --start-extract -f ../etc.meta ...fill in all regular file contents using some other tool... $ bup meta --finish-extract -f ../etc.meta BUGS
Hard links are not handled yet. BUP
Part of the bup(1) suite. AUTHORS
Rob Browning <rlb@defaultvalue.org>. Bup unknown- bup-meta(1)
All times are GMT -4. The time now is 05:42 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy