160 lines
3.8 KiB
Bash
160 lines
3.8 KiB
Bash
#!/sbin/ksh
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# 'relnotes' - View on-line release notes
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Usage="\n
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'relnotes -h' -- print this message\n
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'relnotes' -- list products that have on-line release notes \n
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\t\t\tcurrently installed\n
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'relnotes <product>' -- show table of contents for a product's \n
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\t\t\ton-line release notes\n
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'relnotes <product> <chapter> ... ' -- display specific chapters of \n
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\t\t\t\ta product's on-line release notes\n
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'relnotes -t <product> <chapter> ... ' -- print specific chapters of \n
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\t\t\t\ta product's on-line release notes\n"
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if [ "${1:-}" = "-h" ] # give help and exit
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then
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echo $Usage
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exit
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fi
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# Determine the root relnotes directory
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if [ "${RELNOTESPATH:-}" = "" ]
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then
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relpath=/usr/relnotes/
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else
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relpath=`dirname $RELNOTESPATH`/`basename $RELNOTESPATH`/
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fi
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list_relnotes=/tmp/relnoteslist$$
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product=/tmp/relnotesproduct$$
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cleanup="rm -f $list_relnotes $product"
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trap "$cleanup" 1 2 3 15
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# Create a list of products which have release notes installed.
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find $relpath -follow -type f -name "TC" -print | \
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sed -e "s%$relpath%%" -e 's%/TC%%' | sort -u > $list_relnotes
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if [ ! -s $list_relnotes ]
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then
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echo "Sorry, but no products have release notes installed\n"
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rm -f $list_relnotes
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exit
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fi
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max=0
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length=0
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while read prodname
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do
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length=`echo -n "$prodname" | wc -c`
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if test $length -gt $max; then
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max=`expr $length`
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fi
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done < $list_relnotes
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if test $max -gt 35; then
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columns=1
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elif test $max -gt 23; then
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columns=2
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elif test $max -gt 17; then
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columns=3
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else
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columns=4
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fi
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if [ $# -eq 0 ] # no args - show installed relnotes
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then
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echo "The following products have release notes installed:\n"
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pr -t -$columns $list_relnotes
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$cleanup
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exit
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fi
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validproduct=no
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tflag=
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while [ $# -gt 0 ] # As long as we have arguments ....
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do
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# Recognize old-style args, but don't support them.
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if [ "$1" = "-p" ]
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then
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echo "The -p and -c options are no longer needed."
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echo $Usage
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$cleanup
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exit 1
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fi
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# Support for printing chapters.
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if [ "$1" = "-t" ]
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then
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tflag=$1
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shift
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continue
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fi
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# Invalid option?
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case "$1" {
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-*)
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echo "$1 is an invalid option."
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echo $Usage
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$cleanup
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exit 1
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;;
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}
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if [ "$validproduct" = "no" ]
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then
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echo $1 > $product
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match="`grep -i \"^$1$\" $list_relnotes`"
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if [ -n "$match" ]
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then
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validproduct="$match"
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shift
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if [ $# -gt 0 ];
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then
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continue
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fi
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if [ -f ${relpath}${validproduct}/TC ];
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then
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echo "The chapters for the \"$validproduct\" product's release notes are:\n"
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cat ${relpath}${validproduct}/TC
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else
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echo "The \"$validproduct\" product's release notes are installed, "
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echo "but its table of contents file is missing.\n"
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echo "The chapters that are installed are:\n"
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cd ${relpath}${validproduct}; /bin/ls ch*.z | sed -e 's/ch//' -e 's/.z//'
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fi
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echo "\nUse \"$0 productname chapter\" to view a chapter"
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else # Not an installed product
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echo "Sorry, but there are no installed release notes for the \"$1\" product.\n"
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$cleanup ; exit 1
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fi
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else # Have a valid product.
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cd ${relpath}${validproduct}
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# Check for the existence of ch#.z. If not found check
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# for ch0#.z. If still not found report an error
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if [ -r ch${1}.z ]; then
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man $tflag -d ch${1}.z
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elif [ -r ch0${1}.z ]; then
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man $tflag -d ch0${1}.z
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elif [ -r ${validproduct}.gz ]; then
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# Find the name of the ${1}th chapter to pass as an arg to html2term
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chapter=`egrep "^${1}" TC | cut -f2`;
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gzcat -c ${validproduct}.gz | html2term -c "$chapter" | ul -b | more -s -f
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else
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echo "There is no chapter $1 in the \"$validproduct\" release notes."
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fi
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shift
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if [ $# -gt 0 ];
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then
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echo "Next chapter ('q' to quit):\c"
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read ans
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if [ "$ans" = "q" ];
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then
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$cleanup
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exit
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fi
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fi
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fi
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done
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$cleanup
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