Output not being echo'd in shell scripts.

Output not being echo'd in shell scripts.

[Sean]

I am having problems running a simple shell script: todo.sh [todotxt.com]

I am running the windows port of zsh (ver 3.0.5) supplied with unixkit-tiny.

The problem is simply that commands that work when entered directly at
the prompt do not seem to work when run in a shell script.

I have tested the script by running each line in the shell and I
believe the problem is related to the echo command.

For instance, the command:

"todo.sh list" should list all items in the todo.txt file but instead
returns this:

--
TODO:  tasks in /unixkit/todo/todo.txt.


If I execute the appropriate commands directly in the shell like this:

echo -e "`sed = "/unixkit/todo/todo.txt" | sed 'N; s/^/  /; s/
*\(.\{2,\}\)\n/\1 /' | sed 's/^ /0/' | sort -k2 | sed
's/\(.*(A).*\)/'$PRI_A'\1'$DEFAULT'/g' | sed
's/\(.*(B).*\)/'$PRI_B'\1'$'/g' | sed 's/\(.*(C).* \)/'$PRI_C'\1'$'/g'
| sed 's/\(.*([A-Z]).*\)/'$PRI_X'\1'$DEFAULT'/g'`"

I get the appropriate result:

01 Compile list of items to sell p:garage_cleanup @home

If I add -x to the shebang, I get the following:
____

+ action=list
+ item=
+ '[' -z '' ']'
++ sed = /unixkit/todo/todo.txt
++ sed 'N; s/^/  /; s/ *\(.\{2,\}\)\n/\1 /'
++ sed 's/^ /0/'
++ sort -k2
++ sed 's/\(.*(A).*\)/\\033[1;33m\1\\033[0m/g'
++ sed 's/\(.*(B).*\)/\\033[0;32m\1/g'
++ sed 's/\(.*(C).* \)/\\033[1;34m\1/g'
++ sed 's/\(.*([A-Z]).*\)/\\033[1;37m\1\\033[0m/g'
+ echo -e ''

+ echo --
--
++ wc -l /unixkit/todo/todo.txt
++ sed 's/^[[:space:]]*\([0-9]*\).*/\1/'
+ NUMTASKS=
+ echo 'TODO:  tasks in /unixkit/todo/todo.txt.'
TODO:  tasks in /unixkit/todo/todo.txt.
+ cleanup
+ '[' -f /unixkit/todo/todo.tmp ']'
+ rm /unixkit/todo/todo.tmp
+ exit 0
____

Anyway, I was hoping that it is somthing simple that I am doing wrong
/ need to configure in the zsh environment.

TIA

Sean

Re: Output not being echo'd in shell scripts.

[zzapper]

Sean <schliden@gmail.com> wrote in
news:96c45c490607162152k4d7d81b8x5d143c7b5c51d585@mail.gmail.com: 

> I am having problems running a simple shell script: todo.sh
> [todotxt.com] 
> 
> I am running the windows port of zsh (ver 3.0.5) supplied with
> unixkit-tiny. 
> 
> The problem is simply that commands that work when entered directly at
> the prompt do not seem to work when run in a shell script.
> 
> I have tested the script by running each line in the shell and I
> believe the problem is related to the echo command.
> 
> For instance, the command:
> 
> "todo.sh list" should list all items in the todo.txt file but instead
> returns this:
> 
> --
> TODO:  tasks in /unixkit/todo/todo.txt.
> 
> 
> If I execute the appropriate commands directly in the shell like this:
> 
> echo -e "`sed = "/unixkit/todo/todo.txt" | sed 'N; s/^/  /; s/
> *\(.\{2,\}\)\n/\1 /' | sed 's/^ /0/' | sort -k2 | sed
> 's/\(.*(A).*\)/'$PRI_A'\1'$DEFAULT'/g' | sed
> 's/\(.*(B).*\)/'$PRI_B'\1'$'/g' | sed 's/\(.*(C).* \)/'$PRI_C'\1'$'/g'
>| sed 's/\(.*([A-Z]).*\)/'$PRI_X'\1'$DEFAULT'/g'`"
> 
> I get the appropriate result:
> 
> 01 Compile list of items to sell p:garage_cleanup @home
> 
> If I add -x to the shebang, I get the following:
> ____
> 
> + action=list
> + item=
> + '[' -z '' ']'
> ++ sed = /unixkit/todo/todo.txt
> ++ sed 'N; s/^/  /; s/ *\(.\{2,\}\)\n/\1 /'
> ++ sed 's/^ /0/'
> ++ sort -k2
> ++ sed 's/\(.*(A).*\)/\\033[1;33m\1\\033[0m/g'
> ++ sed 's/\(.*(B).*\)/\\033[0;32m\1/g'
> ++ sed 's/\(.*(C).* \)/\\033[1;34m\1/g'
> ++ sed 's/\(.*([A-Z]).*\)/\\033[1;37m\1\\033[0m/g'
> + echo -e ''
> 
> + echo --
> --
> ++ wc -l /unixkit/todo/todo.txt
> ++ sed 's/^[[:space:]]*\([0-9]*\).*/\1/'
> + NUMTASKS=
> + echo 'TODO:  tasks in /unixkit/todo/todo.txt.'
> TODO:  tasks in /unixkit/todo/todo.txt.
> + cleanup
> + '[' -f /unixkit/todo/todo.tmp ']'
> + rm /unixkit/todo/todo.tmp
> + exit 0
> ____
> 
> Anyway, I was hoping that it is somthing simple that I am doing wrong
> / need to configure in the zsh environment.
> 
> TIA
> 
> Sean
> 
> 

Hi Sean
I don't know if the following is relevant to your problem:-
Do you have the following option set?

setopt no_prompt_cr  #needed for perl scripts

This is an old zsh chestnut where zsh does not output if there is no 
trailing CRHTH


-- 
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Re: Output not being echo'd in shell scripts.

[Phil Pennock]

On 2006-07-23 at 10:38 +0000, zzapper wrote:
> setopt no_prompt_cr  #needed for perl scripts
> 
> This is an old zsh chestnut where zsh does not output if there is no 
> trailing CRHTH

zsh doesn't really control whether or not other commands produce output.

By default, without setting that option, zsh outputs a Carriage Return
at the start of a prompt; that's the CR of CRLF fame, which sends the
cursor position back to the start of the line.  End result is that
output gets overwritten so that you don't see it.
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