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Hi linux_learner, sh script means that /bin/sh will be used to execute the script, overriding any shell that is specified on the first line in the script that starts with #!...

Right, then that explains it. So you would need to use ./scriptname or bash ./scriptname..

@linux_learner
When posting a problem please state what Operating System and version you are running and what Shell you are using. Every time.
When you have a problem please post the script intact...

I cut and pasted your code and it works fine for me (reading with -n 1). Is it possible that the version of bash that is being invoked isn't the same one executed as your login shell?

You could...

Can try this too...
# egrep -io "a|e|i|o|u" $1 | wc -weg.
[root@nagios Shirish@Shukla]# cat my
aa b c d e f g h i j k l m n o p q r s t u v w x y z
[root@nagios Shirish@Shukla]# cat test.sh...

I don't see the need for fold since the complemented tr set will delete non-vowels anyway (including newlines). Also, it looks like your finger slipped off the capslock. ;)

tr -cd aeiouAEIOU <...

Just on the off chance, it's not the same problem as before is it?
https://www.unix.com/shell-programming-scripting/177690-running-shell-script-cygwin-terminal.html

Please post the output from...

One thing I noticed is that there seems not to be a space between the double equal in the test and the "5" (hard to see without code tags).


#!/bin/bash
a=5
[[ "$a" == "5" ]] && echo "true"...

Are you editing this script with notepad? This will fill the file with garbage carriage returns which the shell will consider as part of shell statements, ruining them. Try 'dos2unix' to fix the...