In /usr/bin/yelp-new line 22:
    line="  "`basename "$1" | sed -e 's/\.'$2'$//'`
             ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
                                           ^-- SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
    line="  "$(basename "$1" | sed -e 's/\.'"$2"'$//')


In /usr/bin/yelp-new line 23:
    desc=`cat "$f" | grep '<\?yelp-tmpl-desc' | sed -e 's/<?yelp-tmpl-desc //' -e 's/?>$//'`
         ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
              ^--^ SC2002: Useless cat. Consider 'cmd < file | ..' or 'cmd file | ..' instead.

Did you mean: 
    desc=$(cat "$f" | grep '<\?yelp-tmpl-desc' | sed -e 's/<?yelp-tmpl-desc //' -e 's/?>$//')


In /usr/bin/yelp-new line 40:
    if [ -f *.page.tmpl ]; then
            ^---------^ SC2144: -f doesn't work with globs. Use a for loop.


In /usr/bin/yelp-new line 47:
    if [ -f ${tmpldir}*.page ]; then
            ^--------------^ SC2144: -f doesn't work with globs. Use a for loop.


In /usr/bin/yelp-new line 50:
        for f in ${tmpldir}*.page; do
                 ^--------^ SC2231: Quote expansions in this for loop glob to prevent wordsplitting, e.g. "$dir"/*.txt .


In /usr/bin/yelp-new line 54:
    if [ -f *.docbook.tmpl ]; then
            ^------------^ SC2144: -f doesn't work with globs. Use a for loop.


In /usr/bin/yelp-new line 61:
    if [ -f ${tmpldir}*.docbook ]; then
            ^-----------------^ SC2144: -f doesn't work with globs. Use a for loop.


In /usr/bin/yelp-new line 64:
        for f in ${tmpldir}*.docbook; do
                 ^--------^ SC2231: Quote expansions in this for loop glob to prevent wordsplitting, e.g. "$dir"/*.txt .


In /usr/bin/yelp-new line 94:
if [ $(yelp_get_extension ${1}) = "tmpl" -a -f "${1}" ]; then
     ^------------------------^ SC2046: Quote this to prevent word splitting.
                          ^--^ SC2086: Double quote to prevent globbing and word splitting.
                                         ^-- SC2166: Prefer [ p ] && [ q ] as [ p -a q ] is not well defined.

Did you mean: 
if [ $(yelp_get_extension "${1}") = "tmpl" -a -f "${1}" ]; then


In /usr/bin/yelp-new line 96:
    outext="."$(yelp_get_extension $(basename "${1}" ".tmpl"))
                                   ^------------------------^ SC2046: Quote this to prevent word splitting.


In /usr/bin/yelp-new line 116:
    username=`git config user.name`
             ^--------------------^ SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
    username=$(git config user.name)


In /usr/bin/yelp-new line 117:
    useremail=`git config user.email`
              ^---------------------^ SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
    useremail=$(git config user.email)


In /usr/bin/yelp-new line 119:
if [ "x$username" = "x" -a "x$useremail" = "x" ]; then
                        ^-- SC2166: Prefer [ p ] && [ q ] as [ p -a q ] is not well defined.


In /usr/bin/yelp-new line 121:
        username=`bzr whoami | sed -e 's/ <.*//'`
                 ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
        username=$(bzr whoami | sed -e 's/ <.*//')


In /usr/bin/yelp-new line 122:
        useremail=`bzr whoami --email`
                  ^------------------^ SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
        useremail=$(bzr whoami --email)


In /usr/bin/yelp-new line 125:
if [ "x$username" = "x" -a "x$useremail" = "x" ]; then
                        ^-- SC2166: Prefer [ p ] && [ q ] as [ p -a q ] is not well defined.


In /usr/bin/yelp-new line 137:
    if [ "."$(yelp_get_extension "${2}") = "$spec" ]; then
            ^--------------------------^ SC2046: Quote this to prevent word splitting.


In /usr/bin/yelp-new line 139:
    elif [ "."$(yelp_get_extension "${2}") = "$outext" ]; then
              ^--------------------------^ SC2046: Quote this to prevent word splitting.


In /usr/bin/yelp-new line 144:
elif [ "."$(yelp_get_extension ${2}) = "$outext" ]; then
          ^------------------------^ SC2046: Quote this to prevent word splitting.
                               ^--^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
elif [ "."$(yelp_get_extension "${2}") = "$outext" ]; then


In /usr/bin/yelp-new line 153:
    cat "$infile" | grep -v '<\?yelp-tmpl-desc' | sed \
        ^-------^ SC2002: Useless cat. Consider 'cmd < file | ..' or 'cmd file | ..' instead.


In /usr/bin/yelp-new line 155:
        -e s/@DATE@/`date +%Y-%m-%d`/ \
                    ^--------------^ SC2046: Quote this to prevent word splitting.
                    ^--------------^ SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
        -e s/@DATE@/$(date +%Y-%m-%d)/ \


In /usr/bin/yelp-new line 156:
        -e s/@YEAR@/`date +%Y`/ \
                    ^--------^ SC2046: Quote this to prevent word splitting.
                    ^--------^ SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
        -e s/@YEAR@/$(date +%Y)/ \

For more information:
  https://www.shellcheck.net/wiki/SC2144 -- -f doesn't work with globs. Use a...
  https://www.shellcheck.net/wiki/SC2046 -- Quote this to prevent word splitt...
  https://www.shellcheck.net/wiki/SC2166 -- Prefer [ p ] && [ q ] as [ p -a q...