我试图给自己写一些方便的脚本,以便更有效地合法地放松工作,这个问题突然出现了:
给定一个很长的字符串$LONGEST_EVER_STRING
和几个关键字串像$A='foo bar'
,$B='omg bbq'
和$C='stack overflow'
我应该如何使用完全关键字匹配作为case
语句中的条件?
for word in $LONGEST_EVER_STRING; do case $word in any exact match in $A) do something ;; any exact match in $B) do something ;; any exact match in $C) do something ;; *) do something else;; esac done
我知道我可以这样写,但看起来很难看:
for word in $LONGEST_EVER_STRING; do if [[ -n $(echo $A | fgrep -w $word) ]]; then do something; elif [[ -n $(echo $B | fgrep -w $word) ]]; then do something; elif [[ -n $(echo $C | fgrep -w $word) ]]; then do something; else do something else; fi done
有没有人有优雅的解决方案?非常感谢!