Fix general whitespace issues

 *  alignment to 4 spaces,
 *  drop trailing whitespace,
 *  drop unnecessary alignment.

99bottles.sh

@@ -5,157 +5,160 @@
 
 standardBreakLine="Take one down and pass it around"
 wastefulBreakLine="If one of those bottles should happen to fall"
-breakLine=$([ "$1" = --careless ] && echo $wastefulBreakLine ||
-                                     echo $standardBreakLine)
+breakLine=$([ "$1" = --careless ] \
+ && echo $wastefulBreakLine \
+ || echo $standardBreakLine)
 
 pred() {  #get predecessor to a number
-  case $1 in
-    *nine)  echo ${1%nine}eight;;
-    *eight) echo ${1%eight}seven;;
-    *seven) echo ${1%seven}six;;
-    *six)   echo ${1%six}five;;
-    *five)  echo ${1%five}four;;
-    *four)  echo ${1%four}three;;
-    *three) echo ${1%three}two;;
-    *two)   echo ${1%two}one;;
-    one)    echo zero;;
-    *-one)  echo ${1%-one};;
-    *one)   echo ${1%one};;
-    ten)    echo nine;;
-    eleven) echo ten;;
-    twelve) echo eleven;;
-    *teen)  teenpred $1;;
-    *ty)    tenspred $1;;
-    zero)   echo "";  #to terminate
-  esac
-  }
-  
+    case $1 in
+        *nine)      echo ${1%nine}eight;;
+        *eight)     echo ${1%eight}seven;;
+        *seven)     echo ${1%seven}six;;
+        *six)       echo ${1%six}five;;
+        *five)      echo ${1%five}four;;
+        *four)      echo ${1%four}three;;
+        *three)     echo ${1%three}two;;
+        *two)       echo ${1%two}one;;
+        one)        echo zero;;
+        *-one)      echo ${1%-one};;
+        *one)       echo ${1%one};;
+        ten)        echo nine;;
+        eleven)     echo ten;;
+        twelve)     echo eleven;;
+        *teen)      teenpred $1;;
+        *ty)        tenspred $1;;
+        zero)       echo "";  #to terminate
+    esac
+}
+
 teenpred() { #predecessor of a teen
-  case $1 in
-     thirteen)   echo twelve;;
-     *)     echo $(crunchprefix $(pred $(uncrunchprefix ${1%teen})))teen;;
-     esac  
-  }
-  
+    case $1 in
+        thirteen)   echo twelve;;
+        *)          echo $(crunchprefix $(pred $(uncrunchprefix ${1%teen})))teen;;
+    esac
+}
+
 tenspred() { #predecessor of a multiple of ten
-  case $1 in
-     twenty)     echo nineteen;;
-     *) echo $(crunchprefix --tens $(pred $(uncrunchprefix ${1%ty})))ty-nine;;
-     esac  
-  }
-  
+    case $1 in
+        twenty)     echo nineteen;;
+        *) echo $(crunchprefix --tens $(pred $(uncrunchprefix ${1%ty})))ty-nine;;
+    esac
+}
+
 crunchprefix() {
-  #crunch number prefix to its conventional form
-  # such as three --> thir
-  # option --tens     multiples of ten are a bit different
-  [ $1 = --tens ] && { tensop=true; shift; }
-  case $1 in 
-    two)   [ -n "$tensop" ] && echo twen || echo $1;;
-    three) echo thir;;
-    four)  [ -n "$tensop" ] && echo 'for' || echo $1;;
-    five)  echo fif;;
-    eight) [ -n "$tensop" ] && echo eigh || echo $1;;
-    *)     echo $1;;
-  esac
-  }
+    #crunch number prefix to its conventional form
+    # such as three --> thir
+    # option --tens     multiples of ten are a bit different
+    [ $1 = --tens ] && { tensop=true; shift; }
+    case $1 in
+        two)    [ -n "$tensop" ] && echo twen || echo $1;;
+        three)  echo thir;;
+        four)   [ -n "$tensop" ] && echo 'for' || echo $1;;
+        five)   echo fif;;
+        eight)  [ -n "$tensop" ] && echo eigh || echo $1;;
+        *)      echo $1;;
+    esac
+}
 
 uncrunchprefix() { #reverse crunchprefix
-  case $1 in
-    twen)  echo two;;
-    thir)  echo three;;
-    'for') echo four;;
-    fif)   echo five;;
-    eigh)  echo eight;;
-    *)     echo $1;;
-  esac
-  }
-    
+    case $1 in
+        twen)   echo two;;
+        thir)   echo three;;
+        'for')  echo four;;
+        fif)    echo five;;
+        eigh)   echo eight;;
+        *)      echo $1;;
+    esac
+}
+
 grammar() { #peculiarities of English grammar
-  local oneBottle=false  #can effect the following line
-  while read line; do
-    line="${line/one more bottles/one more bottle}"
-    case "$line" in
-       *"one of those bottles"*) line="$([ $oneBottle = true ] && 
-                         echo ${line/one of those bottles/that lone bottle} ||
-                         echo $line )"
-                         ;;
-       *"one down"*) line="$([ $oneBottle = true ] && 
-                         echo ${line/one down/it down} ||
-                         echo $line )"
-                         ;;
-       *bottles*)   oneBottle=false;;
-       *bottle*)    oneBottle=true;;
-       esac
-      #Some say the twenties should have no hyphen
-    line="${line/twenty-/twenty }"
-    echo $line
+    local oneBottle=false  #can effect the following line
+    while read line; do
+        line="${line/one more bottles/one more bottle}"
+        case "$line" in
+            *"one of those bottles"*)   line="$([ $oneBottle = true ] &&
+                                        echo ${line/one of those bottles/that lone bottle} ||
+                                        echo $line )"
+                                        ;;
+            *"one down"*)               line="$([ $oneBottle = true ] &&
+                                        echo ${line/one down/it down} ||
+                                        echo $line )"
+                                        ;;
+            *bottles*)                  oneBottle=false;;
+            *bottle*)                   oneBottle=true;;
+        esac
+        #Some say the twenties should have no hyphen
+        line="${line/twenty-/twenty }"
+        echo $line
     done
-  }
-  
+}
+
 capitalize() {  #fix beginning of each line
-  while read line; do
-    echo -n ${line:0:1} | tr '[:lower:]' '[:upper:]'
-    echo ${line#?}
+    while read line; do
+        echo -n ${line:0:1} | tr '[:lower:]' '[:upper:]'
+        echo ${line#?}
     done
-  }
+}
+
 punctuate() {  #add punct to each line
-  while read line; do 
-    case "${line}" in
-      [Ii]f*)   echo ${line},;;
-      '')       echo;;
-      *)        echo ${line}.;;
-      esac
+    while read line; do
+        case "${line}" in
+            [Ii]f*)     echo ${line},;;
+            '')         echo;;
+            *)          echo ${line}.;;
+        esac
     done
-  }
+}
 
 verse () { #write one verse
-  local nb=$1
-  echo $nb bottles of beer on the wall
-  echo $nb bottles of beer
-  if [ $nb = zero ]; then
-    echo Go to the store and buy some more
-    nb=ninety-nine
-  else
-    echo $breakLine
-    nb=$(pred $nb)
-  fi
-  echo $nb bottles of beer on the wall
-  }
-  
+    local nb=$1
+    echo $nb bottles of beer on the wall
+    echo $nb bottles of beer
+    if [ $nb = zero ]; then
+        echo Go to the store and buy some more
+        nb=ninety-nine
+    else
+        echo $breakLine
+        nb=$(pred $nb)
+    fi
+    echo $nb bottles of beer on the wall
+}
+
 poeticize() { #make it nice
-  while read first rest; do
-    case "$rest" in
-      *beer*)
-        first=${first/zero/no}
-        local syl=$(syllables ${first% *})
-        case $syl in  #improve meter
-          1|2)   echo $first 'more' $rest;;
-          *)     echo $first $rest;;
-          esac;;
-      *)         echo $first $rest
-      esac
+    while read first rest; do
+        case "$rest" in
+            *beer*)
+                first=${first/zero/no}
+                local syl=$(syllables ${first% *})
+                case $syl in  #improve meter
+                    1|2)    echo $first 'more' $rest;;
+                    *)      echo $first $rest;;
+                esac
+                ;;
+            *)  echo $first $rest
+        esac
     done
-  }
-  
+}
+
 syllables() { #estimate number of syls in word
-  local n=1
-  case $1 in
-    eleven)       n=2;; #sounds better if not considered 3
-    *teen)        n=2;;
-    *ty)          n=2;;
-    *-*)          n=3;; #don't care about more than 3
+    local n=1
+    case $1 in
+        eleven)     n=2;; #sounds better if not considered 3
+        *teen)      n=2;;
+        *ty)        n=2;;
+        *-*)        n=3;; #don't care about more than 3
     esac
-  case $1 in
-    *seven*)      let $((n = n+1));;
+    case $1 in
+        *seven*)    let $((n = n+1));;
     esac
-  echo $n
-  }
-    
+    echo $n
+}
+
 
 nb=ninety-nine
 
 while [ -n "$nb" ]; do
-  verse $nb
-  echo
-  nb=$(pred $nb)
-  done | poeticize | grammar | punctuate | capitalize
+    verse $nb
+    echo
+    nb=$(pred $nb)
+done | poeticize | grammar | punctuate | capitalize