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  1. /\\section{/ { oldline=$0
  2.                if ( oldline ~ /}/ ) {
  3.                    lt=gensub(".*{([^}]+)}.*","\\1","g",oldline)
  4.                } else {
  5.                    lt=gensub(".*{(.*)","\\1","g",oldline) 
  6.                    getline tmp
  7.                    while ( tmp !~  "}" ) {
  8.                        lt=lt "\n" tmp
  9.                        getline tmp
  10.                    }
  11.                    lt=lt "\n" gensub("}.*","","g",tmp)
  12.                }
  13.                getline
  14.                while ( $0 !~ /\\sectionmark/ ) {
  15.                    getline
  16.                }
  17.                printf("\\section[%s]{%s%s}\n",lt,lt,$0)
  18.                getline
  19.              }
  20. ! /\\section{/ { print }
Success #stdin #stdout 0.02s 4276KB
comments (?)
stdin 
OTHERTEXT_1
\section{long text}
\sectionmark{short text}
OTHERTEXT_2
\section{long text
with new
lines}
\sectionmark{short text}
OTHERTEXT_3
\section{long text with empty line afterwards}

\sectionmark{short text}
OTHERTEXT_4
\section{long text
with new
lines and an empty line afterward}

\sectionmark{short text}
OTHERTEXT_5
stdout 
OTHERTEXT_1
\section[long text]{long text\sectionmark{short text}}
OTHERTEXT_2
\section[long text
with new
lines]{long text
with new
lines\sectionmark{short text}}
OTHERTEXT_3
\section[long text with empty line afterwards]{long text with empty line afterwards\sectionmark{short text}}
OTHERTEXT_4
\section[long text
with new
lines and an empty line afterward]{long text
with new
lines and an empty line afterward\sectionmark{short text}}
OTHERTEXT_5
https://ideone.com/KDlAY
language:
AWK (gawk 4.2.1)
created:
14 years ago
visibility:
public

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