hi,
while reading a file line by line
# name of the script is scriptrd
while read line
do
echo $line
done
while executing
bash$ ./scriptrd
if i give the input as
*
the output is like it displays the contents of the current directory
i jus wanted it to print as * (6 Replies)
Hi,
I'm trying to write a script that reads filenames from a file and use these filenames in a loop. The filenames are all on one line and the problem is that these filenames have wildcards like * and braces like in them.
Right now what I'm doing is something like this:
echo "reading from... (0 Replies)
Hello,
i have a file "Movie.ini" looking e.g. like follows
* MOVIE A
bla bla
MOVIE B
blubb blubb
MOVIE C
I'd like to read the file "Movie.ini" with cat and grep and check whether it includes the string MOVIE only with a '*' at the beginnig.
By doing
"cat Movie.ini| grep MOVIE... (14 Replies)
Hi Guys,
I am having a file which does not have any name when i do a ls -l
-rw-r--r-- 1 dctrdat1 dctrdata 35 Feb 09 08:04
-rw-r--r-- 1 dctrdat1 dctrdata 11961 Feb 08 06:40 DAI_data.txt
Now i want to see what is inside that file. Can you please let me know how to read... (9 Replies)
Hi All,
I am trying to read a .csv file which has some 6 columns.
Eg: samp.csv
one, two, three, four
six, seven, eight, nine
I used the following code,
for line in `cat samp.csv`
do
echo "$line"
done
It displays every comma seperated values in each line like,
one,... (1 Reply)
I have a file that has four values on each line and I'd like to give each column a variable name and then use those values in each step of a loop. In bash, I believe you could use a while loop to do this or possibly a cat command, but I am super new to programming and I'm having trouble decoding... (2 Replies)
I've a file in linux with following text:
;ip address hostname put-location alt-put-location tftpserver
192.168.1.1 r01-lab1-net /mnt/nas1/fgbu/ /opt/fgbu/devicebackup 192.168.1.254Now I want to read these values and assign them to particular variables... (6 Replies)
Hi all,
Given here under a section of a script I am using.
SIMDIR="/home/Ins/forces"
cd $SIMDIR
for file in `ls *.forces`
do
basename=`echo $file | sed 's/\.*$//'`
extname=`echo $file | sed 's/*\(*\)\.\(.*\)/\2\1/'`
echo "Processing file: "$basename
python convert.py... (4 Replies)
Hello, I have a file in the following format
id sample platform R1 R2 gene1 gene2 gene3
1 abc llumina R1_001.fastq.gz R2_001.fastq.gz apoe prnpp asp
2 def llumina R1_001.fastq.gz R2_001.fastq.gz apoe prnpp
3 ghi llumina ... (3 Replies)
Cope sample1: test.sh
i=0
echo " Outside loop i = $i "
while
do
i=$(( $i + 1))
echo "Inside loop i = $i "
done
echo " Out of loop i is : $i "
When run output :
Outside loop i = 0
Inside loop i = 1
Inside loop i = 2
Inside loop i = 3
Inside loop i = 4
Inside loop i = 5
Inside... (8 Replies)
Discussion started by: Adarshreddy01
8 Replies
LEARN ABOUT POSIX
libbash
LIBBASH(7) libbash Manual LIBBASH(7)NAME
libbash -- A bash shared libraries package.
DESCRIPTION
libbash is a package that enables bash dynamic-like shared libraries. Actually its a tool for managing bash scripts whose functions you may
want to load and use in scripts of your own.
It contains a 'dynamic loader' for the shared libraries ( ldbash(1)), a configuration tool (ldbashconfig(8)), and some libraries.
Using ldbash(1) you are able to load loadable bash libraries, such as getopts(1) and hashstash(1). A bash shared library that can be loaded
using
ldbash(1) must answer 4 requirments:
1. It must be installed in $LIBBASH_PREFIX/lib/bash (default is /usr/lib/bash).
2. It must contain a line that begins with '#EXPORT='. That line will contain (after the '=') a list of functions that the library
exports. I.e. all the function that will be usable after loading that library will be listed in that line.
3. It must contain a line that begins with '#REQUIRE='. That line will contain (after the '=') a list of bash libraries that are
required for our library. I.e. every bash library that is in use in our bash library must be listed there.
4. The library must be listed (For more information, see ldbashconfig(8)).
Basic guidelines for writing library of your own:
1. Be aware, that your library will be actually sourced. So, basically, it should contain (i.e define) only functions.
2. Try to declare all variables intended for internal use as local.
3. Global variables and functions that are intended for internal use (i.e are not defined in '#EXPORT=') should begin with:
__<library_name>_
For example, internal function myfoosort of hashstash library should be named as
__hashstash_myfoosort
This helps to avoid conflicts in global name space when using libraries that come from different vendors.
4. See html manual for full version of this guide.
AUTHORS
Hai Zaar <haizaar@haizaar.com>
Gil Ran <ril@ran4.net>
SEE ALSO ldbash(1), ldbashconfig(8), getopts(1), hashstash(1)colors(1)messages(1)urlcoding(1)locks(1)Linux Epoch Linux