01-22-2010
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi All,
I'm new to shell scripting. Trying to extract substring using awk script as shown below :
Flag=$1
Length=`echo ${#Flag}`
NewLen=$Length-2
NewFlag=`echo $Flag|awk '{print substr($Flag,0,$NewLen)}'`
echo "New string is : $NewFlag"
exit
When I execute this script the following... (3 Replies)
Discussion started by: abbey
3 Replies
2. Shell Programming and Scripting
Hi, all
I need to get fields in a line that are separated by commas, some of the fields are enclosed with double quotes, and they are supposed to be treated as a single field even if there are commas inside the quotes.
sample input:
for this line, 5 fields are supposed to be extracted, they... (8 Replies)
Discussion started by: kevintse
8 Replies
3. Shell Programming and Scripting
Hello,
I have been trying to use an awk script to parse out correct and incorrect answers in a simple tab-delimited text file. I am trying to compare the user's response to the stimulus presented (in this case, an arrow pointing left or right; e.g., "<--" vs. "-->"). I have the data for the... (6 Replies)
Discussion started by: Jahn
6 Replies
4. Shell Programming and Scripting
First, thanks for the help in previous posts... couldn't have gotten where I am now without it!
So here is what I have, I use AWK to match $1 and $2 as 1 string in file1 to $1 and $2 as 1 string in file2. Now I'm wondering if I can extend this AWK command to incorporate the following:
If $1... (4 Replies)
Discussion started by: right_coaster
4 Replies
5. Shell Programming and Scripting
Hi guys,
I'am new at this forum as well as with unix.
currently iam trying to create a unix script that will write certain string of words into a file depending on certain conditions apparently i am having problems in terms of writing into the file using the awk. it returns an error ... (0 Replies)
Discussion started by: jihmantiquilla
0 Replies
6. Shell Programming and Scripting
I have this input.|user1 |10.10.10.10 |23|046|1726 (212) |0
|user2 |10.10.10.11 |23|046|43 (17) |0
|test |10.10.10.12 |23|046|45 (10) |0
|test1 |10.10.10.13 |23|046|89 (32) |0
I need to get the data for a user like thisuser1 1726
user2 43
test 45
test1 89... (11 Replies)
Discussion started by: Jotne
11 Replies
7. Shell Programming and Scripting
Hi,
I am trying to pass awk field to a command line executed within awk (need to convert a timestamp into formatted date).
All my attempts failed this far.
Here's an example.
It works fine with timestamp hard-codded into the command
echo "1381653229 something" |awk 'BEGIN{cmd="date -d... (4 Replies)
Discussion started by: tuxer
4 Replies
8. Shell Programming and Scripting
I am trying to output a tab-delimited result that uses the data from a tab-delimited file to combine and subtract specific lines.
If $4 matches in each line then the first matching sequential $6 value is added to $2, unless the value is 1, then the original $2 is used (like in the case of line... (3 Replies)
Discussion started by: cmccabe
3 Replies
9. Shell Programming and Scripting
In the awk below I am trying to set/update the value of $14 in file2 in
bold, using the matching NM_ in $12 or $9 in file2
with the NM_ in $2 of file1.
The lengths of $9 and $12 can be variable but what is consistent is the start pattern
will always be NM_ and the end pattern is always ;... (2 Replies)
Discussion started by: cmccabe
2 Replies
10. UNIX for Beginners Questions & Answers
Hi,
So awk is driving me crazy on this one. I have searched everywhere and read man, docs and every related post Google can find and still no luck. The actual files I need to run this on are sensitive in nature, but it is the same thing as if I needed to calculate weighted grades for multiple... (15 Replies)
Discussion started by: cotilloe
15 Replies
LEARN ABOUT CENTOS
grub-render-label
GRUB-RENDER-LABEL(1) User Commands GRUB-RENDER-LABEL(1)
NAME
grub-render-label - generate a .disk_label for Apple Macs.
SYNOPSIS
grub-render-label [OPTION...] [OPTIONS]
DESCRIPTION
Render Apple .disk_label.
-b, --bgcolor=COLOR
use COLOR for background
-c, --color=COLOR
use COLOR for text
-f, --font=FILE
use FILE as font (PF2).
-i, --input=FILE
read text from FILE.
-o, --output=FILE
set output filename. Default is STDOUT
-t, --text=STRING
set the label to render
-v, --verbose
print verbose messages.
-?, --help
give this help list
--usage
give a short usage message
-V, --version
print program version
Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.
REPORTING BUGS
Report bugs to <bug-grub@gnu.org>.
SEE ALSO
The full documentation for grub-render-label is maintained as a Texinfo manual. If the info and grub-render-label programs are properly
installed at your site, the command
info grub-render-label
should give you access to the complete manual.
grub-render-label (GRUB) 2.02-2ubuntu8.3 July 2018 GRUB-RENDER-LABEL(1)