script/fix_ws.sh

   1 #!/bin/sh
   2 # Whitespace fixer
   3
   4 temp=$$.$RANDOM
   5
   6 begin8sp_tab=$'s/^        /\t/'
   7 beginchar7sp_chartab=$'s/^\\([^ \t]\\)       /\\1\t/'
   8 tab8sp_tabtab=$'s/\t        /\t\t/g'
   9 begin17sptab_tab=$'s/^ \\{1,7\\}\t/\t/'
  10 tab17sptab_tabtab=$'s/\t \\{1,7\\}\t/\t\t/g'
  11 trailingws_=$'s/[ \t]*$//'
  12 # Fixes whitespace in strings:
  13 # printk(KERN_WARNING "ISILoad:Card%d rejected load header:\n"...);
  14 wscr_cr=$'s/[ \t]*\\\\n/\\\\n/'
  15
  16 find -type f \
  17 | while read name; do
  18     if test "C" = "${name/*.[ch]/C}" \
  19          -o "SH" = "${name/*.sh/SH}"; then
  20         echo "Formatting $name as C or sh file" >&2
  21         cat "$name" \
  22         | sed "$begin8sp_tab" \
  23         | sed "$begin17sptab_tab" \
  24         | sed -e "$tab8sp_tabtab" -e "$tab8sp_tabtab" -e "$tab8sp_tabtab" \
  25               -e "$tab8sp_tabtab" -e "$tab8sp_tabtab" -e "$tab8sp_tabtab" \
  26         | sed -e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \
  27               -e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \
  28               -e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \
  29         | sed "$trailingws_" \
  30         | sed -e "$wscr_cr" -e "$wscr_cr" -e "$wscr_cr" -e "$wscr_cr" \
  31               -e "$wscr_cr" -e "$wscr_cr" -e "$wscr_cr" -e "$wscr_cr" \
  32
  33     else
  34         echo "Removing trailing spaces from $name" >&2
  35         cat "$name" \
  36         | sed "$trailingws_" \
  37
  38     fi >"$name.$temp"
  39
  40     # Conserve mode:
  41     cat "$name.$temp" >"$name"
  42     rm "$name.$temp"
  43 done