bash_n_examples/bash/grep/grep_word_with_separator_pattern.sh

   1 T=$'\t'
   2 spt="[${T} ,\]\+"
   3 for i in */*.mk; do NAME=$(dirname "$i"); grep -q "^host-${NAME}${spt}\|${spt}host-${NAME}${spt}\|${spt}host-${NAME}$\|^host-${NAME}$" $i && echo "$i"; done
   4 #for i in */*.mk; do NAME=$(dirname "$i"); grep -q "host-${NAME}" $i && echo $i ; done
   5
   6 T=$'\x09'
   7 T=$'\t'
   8 spt="[${T} ,\]\+"
   9 #spt="[$'\t' ,\]\+"
  10 #spt="[  ,\]\+"
  11 #spt='[  ,\]\+'
  12 #for i in */*.mk; do NAME=$(dirname "$i"); grep -q "^host-${NAME}${spt}\|${spt}host-${NAME}${spt}\|${spt}host-${NAME}$\|^host-${NAME}$" $i && echo "$i"; done
  13 #for i in */*.mk; do NAME=$(dirname "$i"); grep -q "host-${NAME}" $i && echo $i ; done
  14
  15 spt2='[\t ,\\]+'
  16 #spt2="[\t ,\\\]+"
  17 for i in */*.mk; do NAME=$(dirname "$i"); grep -qP "^host-${NAME}${spt2}|${spt2}host-${NAME}${spt2}|${spt2}host-${NAME}$|^host-${NAME}$" $i && echo "$i"; done