Thanks to all.
Per chance I can do my job by simple code change.
Philippe.
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Philippe Torche <[EMAIL PROTECTED]> wrote:
> aPipe='|'
> eval echo 'titi' $aPipe grep toto | grep titi
This is equivalent to:
eval "echo titi | grep toto" | grep titi
The whole eval counts as one pipeline element, regardless of what's
inside it, so the top-level pipeline is only connecting two co
Philippe Torche wrote:
> The following script use eval with 3 pipes, 1st time with direct pipe on
> the command line, and the 2nd time with a pipe in a variable.
> In this second eval, the PIPESTATUS does not content 3 entries, but only 2.
>
> cat <<'EOF' > eval_pipe.sh
> #!/bin/env bash
> set -u
The following script use eval with 3 pipes, 1st time with direct pipe on
the command line, and the 2nd time with a pipe in a variable.
In this second eval, the PIPESTATUS does not content 3 entries, but only 2.
cat <<'EOF' > eval_pipe.sh
#!/bin/env bash
set -u
eval echo 'titi' | grep toto | grep
