Re: Printing sections from files with sed

[alex xmb ratchev]

try sed -r for more power regex mode
else .. use gawk
just ideas
/microsuxx

On Tue, Jan 31, 2023, 8:00 AM Hans Lonsdale <hanslonsdale@mailfence.com>
wrote:

> I want to print lines according to the following description
>
>   ## FM [TOBIN]
>   ## Some text
>   ## More text
>   ## END OF FM [TOBIN]
>
> I provide
>
> faml="FM"
> asmb="TOBIN"
>
> Here I set the matching patterns and call sed
>
>
>       pn_ere='^[[:space:]]*([#;!]+|@c|//)[[:space:]]'
>       beg_re="${pn_ere}${faml} \[${asmb}\][[:space:]]*$"
>       end_re="${pn_ere}END OF ${faml} \[${asmb}\][[:space:]]*$"
>
>       sed -n "/$beg_re/,/$end_re/ {
>           /$beg_re/d ; /$end_re/z; s/${pn_ere}// ; p
>         }" "$filename"
>
> I get the error
>
> sed: -e expression #1, char 27: unknown command: `/'
>
>
> Initially thought the problem could be that either the vars are
> misspelled, or for some
> other reason one or both don't have values.
>
> But checking things again did not show any misspelled vars or empty values,
>
>
>
>
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