bash_n_examples/bash/functions/__ASd0.sh

   1 #S="\$(asda\$(s\$(g)), \$(z))sd \$(asds \$(asd))dsa"
   2 #S="\$(asda\$(s\$(g)), \$(z))sd \$(asds \$(asd))"
   3 #S="asd \$(asda\$(s\$(g)), \$(z))sd \$(asds \$(asd))dsa"
   4 S="asd \$(asda\$(s\$(g)), \$(z))sd \$(asds \$(asd))"
   5 echo "$S"
   6
   7 ##!not separating sections
   8 echo "+++"
   9 echo -n "$S" | sed -e 's/\$(/+/g' -e 's/)/-/g' | \
  10 while read -r -N 1 A; do
  11 [ -z "$PP" ] && PP=0
  12 [ -z "$MM" ] && MM=0
  13 [ "$A" = "+" ] && PP=$(expr $PP + 1)
  14 [ "$A" = "-" ] && MM=$(expr $MM + 1)
  15 if [ "$PP" = "$MM" ]; then
  16     if [ "$A" != "-" ]; then
  17         echo -n "$A"
  18     fi
  19 fi
  20 done
  21 echo
  22 echo "---"
  23
  24 ##!not separating sections
  25 echo "+++"
  26 echo -n "$S" | sed -e 's/\$(/+/g' -e 's/)/-/g' | \
  27 while read -r -N 1 A; do
  28 [ -z "$PP" ] && PP=0
  29 [ -z "$MM" ] && MM=0
  30 [ "$PP" = "$MM" ] && oeq=1 || oeq=
  31 [ "$A" = "+" ] && PP=$(expr $PP + 1)
  32 [ "$A" = "-" ] && MM=$(expr $MM + 1)
  33 [ "$PP" = "$MM" ] && eq=1 || eq=
  34 [ -z "$oeq" -a -n "$eq" ] && echo -n "-"
  35 if [ "$PP" != "$MM" ]; then
  36     echo -n "$A"
  37 fi
  38 done | \
  39 sed -e 's/+/$(/g' -e 's/-/)/g'
  40 echo
  41 echo "---"
  42
  43 ##space separating sections
  44 echo "+++"
  45 echo -n "$S" | sed -e 's/\$(/+/g' -e 's/)/-/g' | \
  46 while read -r -N 1 A; do
  47 [ -z "$PP" ] && PP=0
  48 [ -z "$MM" ] && MM=0
  49 [ "$PP" = "$MM" ] && oeq=1 || oeq=
  50 [ "$A" = "+" ] && PP=$(expr $PP + 1)
  51 [ "$A" = "-" ] && MM=$(expr $MM + 1)
  52 [ "$PP" = "$MM" ] && eq=1 || eq=
  53 [ -z "$oeq" -a -n "$eq" ] && echo -n "- "
  54 if [ "$PP" != "$MM" ]; then
  55     echo -n "$A"
  56 fi
  57 done | \
  58 sed -e 's/+/$(/g' -e 's/-/)/g'
  59 echo
  60 echo "---"
  61
  62 ##linefeed separating sections
  63 echo "+++"
  64 (echo -n "$S"; echo -n ")") | sed -e 's/\$(/+/g' -e 's/)/-/g' | \
  65 while read -r -N 1 A; do
  66 [ -z "$PP" ] && PP=0
  67 [ -z "$MM" ] && MM=0
  68 [ "$PP" = "$MM" ] && oeq=1 || oeq=
  69 [ "$A" = "+" ] && PP=$(expr $PP + 1)
  70 [ "$A" = "-" ] && MM=$(expr $MM + 1)
  71 [ "$PP" = "$MM" ] && eq=1 || eq=
  72 [ \( -z "$oeq" -a -n "$eq" \) -a -n "$val" ] && echo && val=
  73 [ \( "$MM" -gt "$PP" \) -a -n "$val" ] && echo && val=
  74 if [ "$PP" = "$MM" ]; then
  75     [ "$A" != "-" ] && echo -n "$A" && val=1
  76 fi
  77 done
  78 echo "---"
  79
  80 ##linefeed separating sections
  81 echo "+++"
  82 echo -n "$S" | sed -e 's/\$(/+/g' -e 's/)/-/g' | \
  83 while read -r -N 1 A; do
  84 [ -z "$PP" ] && PP=0
  85 [ -z "$MM" ] && MM=0
  86 [ "$PP" = "$MM" ] && oeq=1 || oeq=
  87 [ "$A" = "+" ] && PP=$(expr $PP + 1)
  88 [ "$A" = "-" ] && MM=$(expr $MM + 1)
  89 [ "$PP" = "$MM" ] && eq=1 || eq=
  90 [ -z "$oeq" -a -n "$eq" ] && echo -n "-" && echo
  91 if [ "$PP" != "$MM" ]; then
  92     echo -n "$A"
  93 fi
  94 done | \
  95 sed -e 's/+/$(/g' -e 's/-/)/g'
  96 echo "---"