i have a file,like
1 3
4 5
6 7
8 9
i want to save it into an array.
and then i want to get every element, because i want to use them to calculate. for example: i want to calculate 1 + 3.
but i cannot reach my goal.
open (FILE, "<", "number");
my @arr;
while (<FILE>){
chomp;... (1 Reply)
Hi all,
How to:
Run a bash script, display on the screen and save all information in a file including error information.
For example:
I have a bash script called test.sh
now I want to run the test.sh and display the output on the screen and save the output including error info to a file.
... (1 Reply)
I have set up a bash script to run a long list of things that I need to time. I would like to redirect the output of time to a file. I have set it up like,
echo "Runtimes for servlet 4, 100K structures" > test_times.txt
echo "" >> test_times.txt
echo "runs where N=10" >> test_times.txt
echo... (7 Replies)
Hi,
I'm trying to write a bash script that takes a file and passes each line from the file into an array with elements separated by column.
For example:
Sample file "file1.txt":
1 name1 a first
2 name2 b second
3 name3 c third
and have arrays such as:
line1 = ( "1" "name1" "a"... (3 Replies)
Hi there.
i have created a program that in the end it will give output like this
1 2 3 4 5
10 9 8 7 6
11 12 13 14 15
.............. 17
i wonder how to save the output into a single string and into a file.
i.e 1 10 11 12 9 2 3 8 13 14 7 4 5 6 15 17 (in this order,... (3 Replies)
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
Hi there.
i have created a program that in the end it will give output like this
1 2 3 4 5
10 9 ... (1 Reply)
I'm working on a script to execute a number of items. One being, editing particular files to add certain lines. I'm attempting to utilize sed, but, having issues when running from a bash script. Assistance is greatly appreciated.
My example:
sed -i '14 i\
# add these lines
add these lines to... (5 Replies)
I am trying to select a file in bash and save it to a directory. The below does run but no selected file is saved. Thank you :).
bash
# select file
printf "please select a file to analyze with entered gene or genes \n"
select file in $(cd... (4 Replies)
#!/bin/bash
X=(2H 4S 10D QC JD 9H 8S)
How do I unset the 10D from this array and save it to a file?
Please use CODE tags as required by forum rules! (5 Replies)
Discussion started by: cogiz
5 Replies
LEARN ABOUT DEBIAN
messages
MESSAGES(3) libbash messages Library Manual MESSAGES(3)NAME
messages -- libbash library that implements a set of functions to print standard status messages
SYNOPSIS
printOK [indent]
printFAIL [indent]
printNA [indent]
printATTN [indent]
printWAIT [indent]
DESCRIPTION
General
messages is a collection of functions to print standard status messages - those [ OK ] and [FAIL] messages you see during Linux boot process.
The function list:
printOK Prints a standard [ OK ] message (green)
printFAIL Prints a standard [FAIL] message (red)
printNA Prints a standard [ N/A] message (yellow)
printATTN Prints a standard [ATTN] message (yellow)
printWAIT Prints a standard [WAIT] message (yellow)
Detailed interface description follows.
indent
Column to move to before printing.
Default indent is calculated as TTY_WIDTH-10. If current tty width can not be determined (for example, in case of serial console), it
defaults to 80, so default indent is 80-10=10
FUNCTIONS DESCRIPTIONS
printOK [indent]
Prints a standard [ OK ] message (green)
printFAIL [indent]
Prints a standard [FAIL] message (red)
printNA [indent]
Prints a standard [ N/A] message (yellow)
printATTN [indent]
Prints a standard [ATTN] message (yellow)
printWAIT [indent]
Prints a standard [WAIT] message (yellow)
EXAMPLES
Run a program named MyProg, and report it's success or failure:
echo -n 'Running MyProg...'
printWAIT
if MyProg ; then
printOK
else
printFAIL
fi
AUTHORS
Hai Zaar <haizaar@haizaar.com>
Gil Ran <gil@ran4.net>
SEE ALSO ldbash(1), libbash(1)Linux Epoch Linux