/[groff]/groff/contrib/pdfmark/pdfroff.sh
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Diff of /groff/contrib/pdfmark/pdfroff.sh

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revision 1.2 by wl, Tue Mar 22 05:00:12 2005 UTC revision 1.3 by wl, Mon May 2 10:31:10 2005 UTC
# Line 40  Line 40 
40  # We need both 'grep' and 'sed' programs, to parse script options,  # We need both 'grep' and 'sed' programs, to parse script options,
41  # and we also need 'cat', to display help and some error messages,  # and we also need 'cat', to display help and some error messages,
42  # so ensure they are all installed, before we continue.  # so ensure they are all installed, before we continue.
43  #  # (Again, note that we first check the status from 'type', BEFORE
44    CAT=`exec 2>$NULLDEV ; set :\`type cat\` ; eval echo '$'$#`  #  we attempt to use the result, because Cygwin's 'ash' uses 'stdout'
45    GREP=`exec 2>$NULLDEV ; set :\`type grep\` ; eval echo '$'$#`  #  instead of 'stderr', to display its 'not found' message).
46    SED=`exec 2>$NULLDEV ; set :\`type sed\` ; eval echo '$'$#`  #
47      CAT=':' GREP=':' SED=':'
48      type cat >$NULLDEV 2>&1 && CAT=`set :\`type cat\` ; eval echo '$'$#`
49      type grep >$NULLDEV 2>&1 && GREP=`set :\`type grep\` ; eval echo '$'$#`
50      type sed >$NULLDEV 2>&1 && SED=`set :\`type sed\` ; eval echo '$'$#`
51  #  #
52  # Another fundamental requirement is the 'groff' program itself;  # Another fundamental requirement is the 'groff' program itself;
53    # we will first perform a PATH search to locate this;  however,
54  # we will prefer any version existing in a specified GROFF_BIN_DIR,  # we will prefer any version existing in a specified GROFF_BIN_DIR,
55  # or, if unspecified, the installed location of 'groff' programs;  # or, if unspecified, the installed location of 'groff' programs;
56  # (we DO NOT use a PATH search, to locate 'groff').  # (this will override the result of the initial PATH search).
57  #  #
58    GBIN=${GROFF_BIN_DIR-"@GROFF_BIN_DIR@"}    GROFF=':'
59    GROFF=`exec 2>$NULLDEV ; set :\`type $GBIN/groff\` ; eval echo '$'$#`    type groff >$NULLDEV 2>&1 && GROFF=`set :\`type groff\` ; eval echo '$'$#`
60      type ${GROFF_BIN_DIR="@GROFF_BIN_DIR@"}/groff >$NULLDEV 2>&1 \
61        && GROFF=`set :\`type $GROFF_BIN_DIR/groff\` ; eval echo '$'$#`
62  #  #
63  # If one or more of these is missing, diagnose and bail out.  # If one or more of these is missing, diagnose and bail out.
64  #  #
# Line 342  Line 349 
349  #   In order to correctly resolve 'pdfmark' references,  #   In order to correctly resolve 'pdfmark' references,
350  #   we need to have both the 'awk' and 'diff' programs available.  #   we need to have both the 'awk' and 'diff' programs available.
351  #  #
352      NO=''      NO='' AWK=':'
353      set ${GROFF_AWK_INTERPRETER-"@GROFF_AWK_INTERPRETERS@"}      eval set ${GROFF_AWK_INTERPRETER-"@GROFF_AWK_INTERPRETERS@"}
354      while test $# -gt 0      while test $# -gt 0
355      do      do
356        AWK=`exec 2>$NULLDEV ; set :\`type $1\` ; eval echo '$'$#`        type $1 >$NULLDEV 2>&1 && AWK=`set :\`type $1\` ; eval echo '$'$#`
357        test "$AWK" = ":" || set "$AWK"        test "$AWK" = ":" || set "$AWK"
358        shift        shift
359      done      done
360      DIFF=`exec 2>$NULLDEV ; set :\`type diff\` ; eval echo '$'$#`      type diff >$NULLDEV 2>&1 && DIFF=`set :\`type diff\` ; eval echo '$'$#`
361      test "$AWK" = ":" && echo >&2 "$NOPROG 'awk' in PATH" && NO="$NO 'awk'"      test "$AWK" = ":" && echo >&2 "$NOPROG 'awk' in PATH" && NO="$NO 'awk'"
362      test "$DIFF" = ":" && echo >&2 "$NOPROG 'diff' in PATH" && NO="$NO 'diff'"      test "$DIFF" = ":" && echo >&2 "$NOPROG 'diff' in PATH" && NO="$NO 'diff'"
363      if test -n "$NO"      if test -n "$NO"
# Line 436  Line 443 
443  # from which the PDF output will be compiled -- but before proceding further ...  # from which the PDF output will be compiled -- but before proceding further ...
444  # let's make sure we have a GhostScript interpreter to convert them!  # let's make sure we have a GhostScript interpreter to convert them!
445  #  #
446    set ${GROFF_GHOSTSCRIPT_INTERPRETER-"@GROFF_GHOSTSCRIPT_INTERPRETERS@"}    GS=':'
447      eval set ${GROFF_GHOSTSCRIPT_INTERPRETER-"@GROFF_GHOSTSCRIPT_INTERPRETERS@"}
448    while test $# -gt 0    while test $# -gt 0
449    do    do
450      GS=`exec 2>$NULLDEV ; set :\`type $1\` ; eval echo '$'$#`      type $1 >$NULLDEV 2>&1 && GS=`set :\`type $1\` ; eval echo '$'$#`
451      test "$GS" = ":" || set "$GS"      test "$GS" = ":" || set "$GS"
452      shift      shift
453    done    done

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