RosettaCodeData/Task/Mad-Libs/AWK/mad-libs.awk

35 lines
753 B
Awk

# syntax: GAWK -f MAD_LIBS.AWK
BEGIN {
print("enter story:")
}
{ story_arr[++nr] = $0
if ($0 ~ /^ *$/) {
exit
}
while ($0 ~ /[<>]/) {
L = index($0,"<")
R = index($0,">")
changes_arr[substr($0,L,R-L+1)] = ""
sub(/</,"",$0)
sub(/>/,"",$0)
}
}
END {
PROCINFO["sorted_in"] = "@ind_str_asc"
print("enter values for:")
for (i in changes_arr) { # prompt for replacement values
printf("%s ",i)
getline rec
sub(/ +$/,"",rec)
changes_arr[i] = rec
}
printf("\nrevised story:\n")
for (i=1; i<=nr; i++) { # print the story
for (j in changes_arr) {
gsub(j,changes_arr[j],story_arr[i])
}
printf("%s\n",story_arr[i])
}
exit(0)
}