In /usr/bin/fig2mpdf line 453:
    szHeader = sprintf("\\documentclass{article}\n\
                                                  ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 454:
\\usepackage{german,amssymb,amsmath}\n\
                                      ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 460:
  szHeader = sprintf("%s\n\
                          ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 461:
\\usepackage{color}\n\
                     ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 462:
\\usepackage{ifpdf}\n\
                     ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 463:
\\setlength{\\textwidth}{100cm}\n\
                                 ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 464:
\\setlength{\\textheight}{100cm}\n\
                                  ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 465:
\\setlength{\\topmargin}{-1in}\n\
                                ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 466:
\\setlength{\\headsep}{0pt}\n\
                             ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 467:
\\setlength{\\headheight}{0pt}\n\
                                ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 468:
\\setlength{\\oddsidemargin}{-1in}\n\
                                    ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 469:
\\parindent=0cm\n\
                 ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 470:
\\ifpdf\n\
         ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 471:
\\usepackage[pdftex]{graphicx}\n\
                                ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 472:
\\DeclareGraphicsExtensions{.pdf,.png,.jpg}\n\
                                             ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 473:
\\usepackage{epsfig}\n\
                      ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 474:
\\input{%s}\n\
             ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 475:
\\else\n\
        ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 476:
\\usepackage{graphicx}\n\
                        ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 477:
\\usepackage{epsfig}\n\
                      ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 478:
\\fi\n\
      ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 481:
  szCommand = sprintf("%s > %s << EOF\n\
                                       ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 482:
%s\\begin{document}\n\
                     ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 483:
\\pagestyle{empty}\n\
                    ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 484:
\\input{%s}\n\
             ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 485:
\\end{document}\n\
                 ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 634:
  print "usage: fig2mpdf [-|+lm] [-eiIGvV] [-p <ranges>] [-g <gapwidth>] [-s <style>] [-H <headerfile>] file\n\
                                                                                                              ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 635:
\n\
  ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 636:
  -|+l         set|reset latex call\n\
                                     ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 637:
  -e           create an eps file instead of a pdf\n\
                                                    ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 638:
  -|+m         set|reset multilayer creation\n\
                                              ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 639:
  -p <ranges>  colon separated list of layer ranges a-b,c,d-e,...\n\
                                                                   ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 640:
  -i           do include the deepest range in all figures\n\
                                                            ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 641:
               (the one with the higest level number)\n\
                                                       ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 642:
  -I           include all lower ranges (pyramide mode)\n\
                                                         ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 643:
  -g <gap>     set layer gapwidth for automatically detecting ranges (default:0)\n\
                                                                                  ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 644:
  -s <style>   replace \\usepackage{times} by \\usepackage{<style>} in the latex commands\n\
                                                                                           ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 645:
  -H <header>  use file <header> for creating tex documents (only\n\
                                                                   ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 646:
                 \\begin{document}...\\end{document} is set by fig2mpdf)\n\
                                                                          ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 647:
  -G           name multilayer files in PGF file name format <name>.page<no>.<ext>\n\
                                                                                    ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 648:
  -v           be verbose\n\
                           ^-- SC1004: This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.


In /usr/bin/fig2mpdf line 652:
' -- $*
     ^-- SC2048: Use "$@" (with quotes) to prevent whitespace problems.
     ^-- SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
' -- "$*"

For more information:
  https://www.shellcheck.net/wiki/SC2048 -- Use "$@" (with quotes) to prevent...
  https://www.shellcheck.net/wiki/SC1004 -- This backslash+linefeed is litera...
  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...