3 ms·

That's good! I didn't think to use the `r` and `w` commands. There's only the problem that because of `-n`, it doesn't output anything.

• 1vuio0pswjnm7 5y ago
  This outputs the calendar dates to standard error. test $# -eq 4||exec echo usage: $0 7 jul 20 aug; x=$(echo $2 $4|sed -n '/[A-Z]/p'); if test "$x";then echo use lowercase;exit;fi cal -y \ |sed -n -e "w 111" \ -e "3,10{s/\(.\{23\}\)\(.*\)/\1/w 111-a }" -e "r 111"|sed -n \ -e "3,10{s/\(.\{23\}\)\(.\{20\}\)\(.*\)/\2/w 111-b }" -e "3,10r 111"|sed -n \ -e "3,10{s/.\{46\}//w 111-c }" -e "3,10r 111"|sed -n \ -e "11,18{s/\(.\{23\}\)\(.*\)/\1/w 111-d }" -e "11,18r 111"|sed -n \ -e "11,18{s/\(.\{23\}\)\(.\{20\}\)\(.*\)/\2/w 111-e }" -e "11,18r 111"|sed -n \ -e "11,18{s/.\{46\}//w 111-f }" -e "11,18r 111"|sed -n \ -e "19,26{s/\(.\{23\}\)\(.*\)/\1/w 111-g }" -e "19,26r 111"|sed -n \ -e "19,26{s/\(.\{23\}\)\(.\{20\}\)\(.*\)/\2/w 111-h }" -e "19,26r 111"|sed -n \ -e "19,26{s/.\{46\}//w 111-i }" -e "19,26r 111"|sed -n \ -e "27,34{s/\(.\{23\}\)\(.*\)/\1/w 111-j }" -e "27,34r 111"|sed -n \ -e "27,34{s/\(.\{23\}\)\(.\{20\}\)\(.*\)/\2/w 111-k }" -e "27,34r 111"|sed -n \ -e "27,34{s/.\{46\}//w 111-l }" -e "27,34r 111"|sed '2,$d' \ |sed -e "r 111-a" -e "r 111-b" -e "r 111-c" \ -e "r 111-d" -e "r 111-e" -e "r 111-f" \ -e "r 111-g" -e "r 111-h" -e "r 111-i" \ -e "r 111-j" -e "r 111-k" -e "r 111-l" \ |sed '/^Su/d;/^ *$/d;/^ *[A-S]/s/^/@/ /Jan/,/Feb/s/$/ jan /; /Feb/,/Mar/s/$/ feb /; /Mar/,/Apr/s/$/ mar /; /Apr/,/May/s/$/ apr /; /May/,/Jun/s/$/ may /; /Jun/,/Jul/s/$/ jun /; /Jul/,/Aug/s/$/ jul /; /Aug/,/Sep/s/$/ aug /; /Sep/,/Oct/s/$/ sep /; /Oct/,/Nov/s/$/ oct /; /Nov/,/Dec/s/$/ nov /; /Dec/,$s/$/ dec /;/@/d' \ |sed -n -e "/ $1 .*$2/,/ $3 .*$4/{ w /dev/stderr / 1 /d;p;}"|sed -n '$=' or to output the calendar dates to standard out, add another temp file, 111-z test $# -eq 4||exec echo usage: $0 7 jul 20 aug; x=$(echo $2 $4|sed -n '/[A-Z]/p'); if test "$x";then echo use lowercase;exit;fi cal -y \ |sed -n -e "w 111" \ -e "3,10{s/\(.\{23\}\)\(.*\)/\1/w 111-a }" -e "r 111"|sed -n \ -e "3,10{s/\(.\{23\}\)\(.\{20\}\)\(.*\)/\2/w 111-b }" -e "3,10r 111"|sed -n \ -e "3,10{s/.\{46\}//w 111-c }" -e "3,10r 111"|sed -n \ -e "11,18{s/\(.\{23\}\)\(.*\)/\1/w 111-d }" -e "11,18r 111"|sed -n \ -e "11,18{s/\(.\{23\}\)\(.\{20\}\)\(.*\)/\2/w 111-e }" -e "11,18r 111"|sed -n \ -e "11,18{s/.\{46\}//w 111-f }" -e "11,18r 111"|sed -n \ -e "19,26{s/\(.\{23\}\)\(.*\)/\1/w 111-g }" -e "19,26r 111"|sed -n \ -e "19,26{s/\(.\{23\}\)\(.\{20\}\)\(.*\)/\2/w 111-h }" -e "19,26r 111"|sed -n \ -e "19,26{s/.\{46\}//w 111-i }" -e "19,26r 111"|sed -n \ -e "27,34{s/\(.\{23\}\)\(.*\)/\1/w 111-j }" -e "27,34r 111"|sed -n \ -e "27,34{s/\(.\{23\}\)\(.\{20\}\)\(.*\)/\2/w 111-k }" -e "27,34r 111"|sed -n \ -e "27,34{s/.\{46\}//w 111-l }" -e "27,34r 111"|sed '2,$d' \ |sed -e "r 111-a" -e "r 111-b" -e "r 111-c" \ -e "r 111-d" -e "r 111-e" -e "r 111-f" \ -e "r 111-g" -e "r 111-h" -e "r 111-i" \ -e "r 111-j" -e "r 111-k" -e "r 111-l" \ |sed '/^Su/d;/^ *$/d;/^ *[A-S]/s/^/@/ /Jan/,/Feb/s/$/ jan /; /Feb/,/Mar/s/$/ feb /; /Mar/,/Apr/s/$/ mar /; /Apr/,/May/s/$/ apr /; /May/,/Jun/s/$/ may /; /Jun/,/Jul/s/$/ jun /; /Jul/,/Aug/s/$/ jul /; /Aug/,/Sep/s/$/ aug /; /Sep/,/Oct/s/$/ sep /; /Oct/,/Nov/s/$/ oct /; /Nov/,/Dec/s/$/ nov /; /Dec/,$s/$/ dec /;/@/d' \ |sed -n -e "/ $1 .*$2/,/ $3 .*$4/{ w 111-z / 1 /d;p;}"|sed -n -e '$=' -e "1r 111-z"