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Shell Programming and Scripting

print "*" entire line

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# 1  
Old 03-25-2010
print "*" entire line
Hi folks,

I want to display the "*" character the entire line. Instead of manually giving "*" multiple times in echo/print command, i want some short cut.

i remember i have came across a straight forward method to display particular character (for example "*" ) for n number of times in unix. but now i forgot the exact source of information.

please help me.
# 2  
Old 03-25-2010
Code:
$ x=4
$ printf "%${x}s\n" " " | tr ' ' '*'
****
$ x=10
$ printf "%${x}s\n" " " | tr ' ' '*'
**********

# 3  
Old 03-25-2010
Tools Perhaps this link in our forums?
Check out this discussion
https://www.unix.com/shell-programmin...er-printf.html
# 4  
Old 03-25-2010
A basic shell loop to generate exactly ${MAX} asterisks in a shell variable called ${STRING}.

Code:
#!/bin/ksh
COUNTER=0
MAX=10
STRING=""
while true
do
        COUNTER=`expr ${COUNTER} + 1`
        STRING="${STRING}*"
        if [ ${COUNTER} -ge ${MAX} ]
        then
                break
        fi
done
echo "${STRING}"

**********



Ps. I like anbu23's ingenious use of "tr".
Last edited by pludi; 03-26-2010 at 06:11 AM..
# 5  
Old 03-26-2010
Code:
perl -le 'print "*" x 80';
********************************************************************************

Very simple in perl .. Change the number accordingly.
# 6  
Old 03-26-2010
if you have python
Code:
python -c 'print 80*"*"'

# 7  
Old 03-26-2010

Bash:
Code:
printf -v aster "%${COLUMNS}s" " "
printf "%s\n" "${aster// /*}"

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