awk script for copy/paste part of string [closed] - bash

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Problem:
I have several config files (ProgramName.conf) that need to be edited with awk or sed. The first line contains several letters in place after ":" and end with "]" ProgramName. Or copy filename (it's same as ProgramName). I need to copy ProgramName to the 4th between "command=docker-compose run --rm --name" and "artisan". After conteiner name always word "artisan" in place.
Upd
Thanks for answers, problem solved!
input:
[program:ProgramName]
process_name=
directory=
command=docker-compose run --rm --name artisan some text
target output:
[program:ProgramName]
process_name=
directory=
command=docker-compose run --rm --name ProgramName artisan some text

Answer 1

If ed is available/acceptable, something like:
#!/bin/sh
ed -s file.txt <<-'EOF'
/^\[program:.*\]$/t/^command=/
s/^\[.*:\(.*\)\]$/ \1/
-;+j
,p
Q
EOF
In one-line
printf '%s\n' '/^\[program:.*\]$/t/^command=/' 's/^\[.*:\(.*\)\]$/ \1/' '-;+j' ,p Q | ed -s file.txt
Change Q to w if in-place editing is required.
Remove the ,p to silence the output.

Answer 2

gawk -i inplace '
BEGIN { RS = ORS = ""; FS = OFS = "\n" }
match($1, /^\[program:(.*)\]/, a) {
for (i = 2; i <= NF; ++i)
if ($i ~ /^command=docker-compose run --rm --name/)
$i = "command=docker-compose run --rm --name " a[1]
}
{ print $0 RT }' file
Study the GNU Awk manual for details.

Answer 3

I would harness GNU AWK for this task following way, let file.txt content be then
[program:ProgramName]
process_name=
directory=
command=docker-compose run --rm --name
then
awk 'BEGIN{FS="]|:|\\["}/^\[program:/{name=$3;n=NR}NR==n+3{$0=$0 " " name}{print}' file.txt
gives output
[program:ProgramName]
process_name=
directory=
command=docker-compose run --rm --name ProgramName
Explanation: I inform GNU AWK that field separator (FS) is ] or : or [ then for line starting with [program: I store third column value as name and number of row (NR) as n, then for line which is three lines after thtat happen i.e. number row equals n plus three I append space and name to line and set that as line value, for every line I print it. Be warned that it does modify
to the third line
to comply with your requirement, therefore make sure it is right place do change for all your cases.
(tested in GNU Awk 5.0.1)