EVERYTHING FROM THE OTHER REPO

This commit is contained in:
2026-07-29 03:36:26 +03:00
parent 6777ea96db
commit 92a6ae42f5
4426 changed files with 1696506 additions and 2 deletions
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#!/usr/bin/mawk -f
# $MawkId: ct_length.awk,v 1.3 2020/09/19 14:49:10 tom Exp $
# ct_length.awk
#
# replaces all length
# by length($0)
{
while ( ( i = index($0, "length") ) > 0 )
{
printf "%s" , substr($0,1, i+5) # ...length
$0 = substr($0,i+6)
if ( match($0, /^[ \t]*\(/) )
{
# its OK
printf "%s", substr($0, 1, RLENGTH)
$0 = substr($0, RLENGTH+1)
}
else # length alone
printf "($0)"
}
print
}
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#!/usr/bin/awk -f
# $MawkId: decl.awk,v 1.12 2020/09/19 13:46:31 tom Exp $
# parse a C declaration by recursive descent
# based on a C program in K&R ANSI edition
#
# run on a C file it finds the declarations
#
# restrictions: one declaration per line
# doesn't understand struct {...}
# makes assumptions about type names
#
#
# some awks need double escapes on strings used as
# regular expressions. If not run on mawk, use gdecl.awk
################################################
# lexical scanner -- gobble()
# input : string s -- treated as a regular expression
# gobble eats SPACE, then eats longest match of s off front
# of global variable line.
# Cuts the matched part off of line
function gobble(s, xg)
{
if ( length(line) > 0 ) {
sub( /^ /, "", line) # eat SPACE if any
# surround s with parenthesis to make sure ^ acts on the
# whole thing
if ( match(line, "^" "(" s ")") > 0 ) {
xg = substr(line, 1, RLENGTH)
line = (RLENGTH < length(line)) ? substr(line, RLENGTH+1) : ""
return xg
} else {
return "";
}
} else {
return "";
}
}
function ptr_to(n, xp) # print "pointer to" , n times
{ n = int(n)
if ( n <= 0 ) return ""
xp = "pointer to" ; n--
while ( n-- ) xp = xp " pointer to"
return xp
}
#recursively get a decl
# returns an english description of the declaration or
# "" if not a C declaration.
function decl( xd, t, ptr_part)
{
xd = gobble("[* ]+") # get list of *** ...
gsub(/ /, "", xd) # remove all SPACES
ptr_part = ptr_to( length(xd) )
# We expect to see either an identifier or '('
#
if ( gobble("[(]") )
{
# this is the recursive descent part
# we expect to match a declaration and closing ')'
# If not return "" to indicate failure
if ( (xd = decl()) == "" || gobble( "[)]" ) == "" ) return ""
}
else # expecting an identifier
{
if ( (xd = gobble(id)) == "" ) return ""
xd = xd ":"
}
# finally look for ()
# or [ opt_size ]
while ( 1 )
if ( gobble( funct_mark ) ) xd = xd " function returning"
else
if ( ( t = gobble( array_mark ) ) != "" )
{ gsub(/ /, "", t)
xd = xd " array" t " of"
}
else break
xd = xd " " ptr_part
return xd
}
BEGIN {
id = "[_A-Za-z][_A-Za-z0-9]*"
funct_mark = "[(][ \t]*[)]"
array_mark = "[[ \t]*[_A-Za-z0-9]*[ \t]*]"
# I've assumed types are keywords or all CAPS or end in _t
# Other conventions could be added.
type0 = "int|char|short|long|double|float|void"
type1 = "[_A-Z][_A-Z0-9]*" # types are CAPS
type2 = "[_A-Za-z][_A-Za-z0-9]*_t" # end in _t
types = "(" type0 "|" type1 "|" type2 ")"
}
{
gsub( "/[*]([^*]|[*][^/])*([*]/|$)" , " ") # remove comments
gsub( /[ \t]+/, " ") # squeeze white space to a single space
line = $0
scope = gobble( "extern|static" )
if ( ( type = gobble("(struct|union|enum) ") ) != "" )
type = type gobble(id) # get the tag
else
{
type = gobble("(un)?signed ") gobble( types )
}
if ( ! type ) next
if ( (x = decl()) != "" && gobble( ";") )
{
x = x " " type
if ( scope ) x = x " (" scope ")"
gsub( / +/, " ", x) #
print x
}
}
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#!/usr/bin/mawk -f
# $MawkId: deps.awk,v 1.4 2023/10/31 22:58:49 tom Exp $
# vile: notab ts=4 sw=4
# find include dependencies in C source
#
# mawk -f deps.awk C_source_files
# -- prints a dependency list suitable for make
BEGIN {
stack_index = 0 # stack[] holds the input files
for(i = 1 ; i < ARGC ; i++)
{
file = ARGV[i]
if ( file !~ /\.[cC]$/ ) continue # skip it
outfile = substr(file, 1, length(file)-2) ".o"
# INCLUDED[] stores the set of included files
# -- start with the empty set
for( j in INCLUDED ) delete INCLUDED[j]
while ( 1 )
{
if ( getline line < file <= 0 ) # no open or EOF
{
if ( stack_index == 0 ) break # empty stack
else
{
file = stack[ stack_index-- ]
continue
}
}
if ( line ~ /^#include[ \t]+".*"/ )
split(line, X, "\"") # filename is in X[2]
else if ( line ~ /^#include[ \t]+<.*>/ )
split(line, X, "[<>]") # filename is in X[2]
else
continue;
if ( X[2] in INCLUDED ) # we've already included it
continue
if ( getline line < X[2] <= 0 ) # no open or EOF
continue;
#push current file
stack[ ++stack_index ] = file
INCLUDED[ file = X[2] ] = ""
} # end of while
# test if INCLUDED is empty
flag = 0 # on once the front is printed
for( j in INCLUDED )
{
if ( ! flag )
{ printf "%s : %s" , outfile, j ; flag = 1 }
else printf " %s" , j
close(j);
}
if ( flag ) print ""
}# end of loop over files in ARGV[i]
}
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#!/usr/bin/mawk -f
# $MawkId: eatc.awk,v 1.3 2020/09/19 11:51:23 tom Exp $
# eatc.awk
# another program to remove comments
{ while( ( t = index($0 , "/*") ) > 0 )
{
if ( t > 1 )
printf "%s" , substr($0,1,t-1)
$0 = eat_comment( ( t + 2 <= length($0) ) ? substr($0, t+2) : "" )
}
print
}
function eat_comment(s, t2)
{
#replace comment by one space
printf " "
while ( (t2 = index(s, "*/")) == 0 )
if ( getline s == 0 )
{ # input error -- unterminated comment
system("/bin/sh -c 'echo unterminated comment' 1>&2")
exit 1
}
return ( t2 + 2 <= length(s) ) ? substr(s,t2+2) : ""
}
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#!/usr/bin/mawk -f
# $MawkId: gdecl.awk,v 1.6 2020/09/19 14:04:25 tom Exp $
# parse a C declaration by recursive descent
#
# decl.awk with extra escapes \
################################################
############################################
# lexical scanner -- gobble()
# input : string s -- treated as a regular expression
# gobble eats SPACE, then eats longest match of s off front
# of global variable line.
# Cuts the matched part off of line
function gobble(s, xg)
{
sub( /^ /, "", line) # eat SPACE if any
# surround s with parenthesis to make sure ^ acts on the
# whole thing
if ( match(line, "^" "(" s ")") > 0 ) {
xg = substr(line, 1, RLENGTH)
line = (RLENGTH < length(line)) ? substr(line, RLENGTH+1) : ""
return xg
} else {
return ""
}
}
function ptr_to(n, xp) # print "pointer to" , n times
{ n = int(n)
if ( n <= 0 ) return ""
xp = "pointer to" ; n--
while ( n-- ) xp = xp " pointer to"
return xp
}
#recursively get a decl
# returns an english description of the declaration or
# "" if not a C declaration.
function decl( xd, t, ptr_part)
{
xd = gobble("[* ]+") # get list of *** ...
gsub(/ /, "", xd) # remove all SPACES
ptr_part = ptr_to( length(xd) )
# We expect to see either an identifier or '('
if ( gobble("\\(") )
{
# this is the recursive descent part
# we expect to match a declaration and closing ')'
# If not return "" to indicate failure
if ( (xd = decl()) == "" || gobble( "\\)" ) == "" ) return ""
}
else # expecting an identifier
{
if ( (xd = gobble(id)) == "" ) return ""
xd = xd ":"
}
# finally look for ()
# or [ opt_size ]
while ( 1 )
if ( gobble( funct_mark ) ) xd = xd " function returning"
else
if ( ( t = gobble( array_mark ) ) != "" )
{ gsub(/ /, "", t)
xd = xd " array" t " of"
}
else break
xd = xd " " ptr_part
return xd
}
BEGIN { id = "[_A-Za-z][_A-Za-z0-9]*"
funct_mark = "\\([ \t]*\\)"
array_mark = "\\[[ \t]*[_A-Za-z0-9]*[ \t]*\\]"
# I've assumed types are keywords or all CAPS or end in _t
# Other conventions could be added.
type0 = "int|char|short|long|double|float|void"
type1 = "[_A-Z][_A-Z0-9]*" # types are CAPS
type2 = "[_A-Za-z][_A-Za-z0-9]*_t" # end in _t
types = "(" type0 "|" type1 "|" type2 ")"
}
{
gsub( /\/\*([^*]|\*[^\/])*(\*\/|$)/ , " ") # remove comments
gsub( /[ \t]+/, " ") # squeeze white space to a single space
line = $0
scope = gobble( "extern|static" )
if ( ( type = gobble("(struct|union|enum) ") ) != "" )
{
type = type gobble(id) # get the tag
}
else
{
type = gobble("(un)?signed ") gobble( types )
}
if ( ! type ) next
if ( ( (x = decl()) != "" ) && gobble( ";") )
{
x = x " " type
if ( scope ) x = x " (" scope ")"
gsub( / +/, " ", x) #
print x
}
}
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#!/usr/bin/mawk -We
# $MawkId: hcal,v 1.6 2020/09/24 22:05:19 tom Exp $
# vile:ts=4 sw=4
# edit the above to be the full pathname of 'mawk'
# @(#) hcal - v01.00.02 - Tue Feb 27 21:21:21 EST 1996
# @(#) prints a 3-month (highlighted) calendar centered on the target month
# @(#) may be edited for week to start with Sun or Mon & for local language
# @(#) to display a usage screen, execute: hcal -h
# NOTE: to edit, set ts=4 in 'vi' (or equivalent)
# to print, pipe through 'pr -t -e4'
# Using ideas from a KornShell script by Mikhail Kuperblum (mikhail@klm.com)
# Bob Stockler - bob@trebor.iglou.com - Sysop CompuServe SCOForum [75162,1612]
BEGIN {
# Local Edits:
PROG = "hcal" # Program name given to this script
# FMT = 0 # date format dd/mm/yyyy
# FMT1 = 0 # for weekdays ordered "Mo Tu We Th Fr Sa Su"
FMT = 1 # date format mm/dd/yyyy
FMT1 = 1 # for weekdays ordered "Su Mo Tu We Th Fr Sa"
# edit day & month names and abbreviations for local language names
Days[0] = "Mo Tu We Th Fr Sa Su"
Days[1] = "Su Mo Tu We Th Fr Sa"
MONTHS = "January February March April May June July August"
MONTHS = MONTHS " September October November December"
Months = "Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec"
# STDOUT = 0 # emulate SCO Unix 'cal' (NO highlighting)
STDOUT = 1 # default to highlight mode
MINUS = "-" # possible input date field delimiter
SLASH = "/" # possible input date field delimiter
DOT = "." # possible input date field delimiter
IDFD = "[" MINUS # make MINUS the first character in this series
IDFD = IDFD SLASH # so that it stands for itself in the RE
IDFD = IDFD DOT "]" # Input Date Field Delimiters RE
ODFD = SLASH # Output Date Field Delimiter (default)
DATE_FMT = "%.2d%s%.2d%s%.4d" # date format
## this script presumes 'date' recognizes these arguments in these ways:
## w - Day of the week - Sunday = 0
## m - Month of year - 01 to 12
## d - Day of month - 01 to 31
## y Last 2 digits of year - 00 to 99
## Y - Year (including century), as decimal numbers
## j - Day of the year - 001 to 366 (Julian date)
## T - Time as HH:MM:SS
## X Current time, as defined by the locale
## a - Abbreviated weekday - Sun to Sat
## b - Abbreviated month name
## Z - Timezone name, or no characters if no timezone exists
## Command to get today's date information:
## DATE = "/bin/date '+%w %m %d 19%y %j~%a %b %d %T %Z 19%y'"
## For sunos4
## DATE = DATE = "/bin/date '+%w %m %d 19%y %j~%a %h %d %T 19%y'"
DATE = "/bin/date '+%w %m %d %Y %j~%a %b %d %X %Z %Y'"
# End of Local Edits
INT_RE = "^[0-9]+$" # unsigned integer RE
S_INT_RE = "^[-+][0-9]+$" # signed integer RE
MNAM_RE = "^[A-Za-z]+$" # month name RE
YEAR_RE = "^[0-9]?[0-9]?[0-9]?[0-9]$"
DATE_RE = "^[0-9]?[0-9]" IDFD "[0-9]?[0-9]" IDFD "[0-9]?[0-9]?[0-9]?[0-9]$"
DAT1_RE = "^[0-9]?[0-9]" IDFD "[0-9]?[0-9]$"
split(Months,M_Name)
split("31 28 31 30 31 30 31 31 30 31 30 31",Mdays) ; Mdays[0] = 0
ERR = 0
HELP = 0
RMSO = 0
NUM_ARGS = ARGC - 1
if ( ARGV[1] == "-x" ) {
# standout mode switch
if ( STDOUT == 1 ) STDOUT = 0 ; else STDOUT = 1
ARG1 = ARGV[2] ; ARG2 = ARGV[3] ; NUM_ARGS -= 1
}
else if ( ARGV[1] ~ /^-[h?]$/ ) { HELP = 1 ; exit }
else { ARG1 = ARGV[1] ; ARG2 = ARGV[2] }
if ( STDOUT == 1 ) {
# get the terminal standout-start & standout-end control codes
so = ENVIRON["so"] ; if ( ! so ) "tput smso" | getline so
se = ENVIRON["se"] ; if ( ! se ) "tput rmso" | getline se
}
if ( NUM_ARGS == 0 ) {
# no arguments - print a calendar display centered on today
DEFAULT = 1
}
else if ( NUM_ARGS == 1 ) {
# one argument - may be a month name, date, year, or interval of days
if ( ARG1 ~ DATE_RE ) DATE1 = Fmt_Date(ARG1)
else if ( ARG1 ~ DAT1_RE ) DATE1 = ARG1
else if ( ARG1 ~ MNAM_RE ) { Get_Mnum() ; DATE1 = RMSO = ARG1 "/1" }
else if ( ARG1 ~ S_INT_RE ) INTERVAL = ARG1 + 0
else if ( ARG1 ~ INT_RE ) {
if ( ARG1 > 0 && ARG1 <= 9999 ) YEAR = ARG1 + 0
else if ( ARG1 > 9999 ) { ERR = 9 ; exit }
else { ERR = 7 ; exit }
}
else { ERR = 1 ; exit }
}
else if ( NUM_ARGS == 2 ) {
# two arguments, the second of which must be an integer
if ( ARG2 ~ INT_RE ) {
ARG2 = ARG2 + 0
if ( ARG2 < 1 ) { ERR = 7 ; exit }
else if ( ARG2 > 9999 ) { ERR = 9 ; exit }
}
else { ERR = 1 ; exit }
RMSO = 1
# the first may be a string or an integer
if ( ARG1 ~ INT_RE ) {
# a month number and a year
if ( ARG1 < 1 || ARG1 > 12 ) { ERR = 4 ; mm = ARG1 ; exit }
}
else if ( ARG1 ~ MNAM_RE ) {
Get_Mnum()
}
else { ERR = 6 ; exit }
DATE1 = ARG1 "/1/" ARG2
}
else { ERR = 2 ; exit }
if ( DEFAULT ) { Get_Now() }
else if ( INTERVAL ) {
Get_Now()
daynum = daynum + ( INTERVAL % 7 )
this_date = ""
DATE1 = Get_Date(INTERVAL,m,d,y,j)
split(DATE1,mdy,IDFD)
Mon[2] = mdy[1] + 0
today = mdy[2] + 0
Year[1] = Year[2] = Year[3] = mdy[3] + 0
}
else if ( DATE1 ) {
Get_Now()
if ( split(DATE1,mdy,IDFD) == 2 ) DATE1 = DATE1 "/" This_Year
Chk_Date(DATE1)
Mon[2] = mdy[1] + 0
today = mdy[2] + 0
Year[1] = Year[2] = Year[3] = mdy[3] + 0
DATE1 = sprintf( "%.2d/%.2d/%.4d", Mon[2], today, Year[2] )
INTERVAL = Get_Num(DATE1,m,d,y,j)
daynum = daynum + ( INTERVAL % 7 )
this_date = ""
}
else if ( YEAR ) {
so = se = ""
Get_Now()
Mon[2] = 2
today = 1
Year[1] = Year[2] = Year[3] = YEAR
DATE1 = sprintf( "%.2d/%.2d/%.4d", Mon[2], today, Year[2] )
INTERVAL = Get_Num(DATE1,m,d,y,j)
daynum = daynum + ( INTERVAL % 7 )
this_date = ""
}
else { ERR = 5 ; exit }
if ( Mon[2] != 1 ) Mon[1] = Mon[2] - 1
else { Mon[1] = 12 ; Year[1] -= 1 }
if ( Mon[2] != 12 ) Mon[3] = Mon[2] + 1
else { Mon[3] = 1 ; Year[3] += 1 }
if ( Mon[1] == 2 ) Leap(Year[1])
else if ( Mon[2] == 2 ) Leap(Year[2])
else if ( Mon[3] == 2 ) Leap(Year[3])
Start[2] = 7 - ( ( today - daynum ) % 7 )
Start[1] = 7 - ( ( Mdays[Mon[1]] - Start[2] ) % 7 )
Start[3] = ( Mdays[Mon[2]] + Start[2] ) % 7
if ( ! YEAR ) quarters = 1
else {
quarters = 4 ; s[3] = Start[3]
for (i=4;i<=12;i++) { s[i] = ( Mdays[i-1] + s[i-1] ) % 7 }
}
ll = 0
for ( quarter = 1 ; quarter <= quarters ; quarter++ ) {
if ( quarter > 1 ) {
delete cal
ll = 0 ; Mon[1] += 3 ; Mon[2] += 3 ; Mon[3] += 3
Start[1] = s[Mon[1]] ; Start[2] = s[Mon[2]] ; Start[3] = s[Mon[3]]
}
if ( Year[2] == 1752 && Mon[2] ~ /8|9|10/ ) Kludge_1752()
if ( ARG1 ) print "" ; else printf( "\n%s\n\n", this_date )
for (i=1;i<=3;i++) { while ( Start[i] >= 7 ) Start[i] -= 7 }
for (mm=1;mm<=3;mm++) { l = 1
if ( mm != 2 ) { So = Se = "" } else { So = so ; Se = se }
cal[mm SUBSEP l++] = sprintf( "%s %-4s%.4d %s ", \
So, M_Name[Mon[mm]], Year[mm], Se )
cal[mm SUBSEP l++] = sprintf( "%s%3s", Days[FMT1], "" )
j = k = 1
while ( j <= Mdays[Mon[mm]] ) {
line = ""
for (i=1;i<=7;i++) {
if ( Start[mm] > 0 || j > Mdays[Mon[mm]] ) {
date = "" ; Start[mm]-- }
else date = j++
if ( Year[mm] == 1752 && Mon[mm] == 9 && date == 3 ) {
date = 14 ; j = 15 }
if ( date == today && mm == 2 && ! RMSO ) {
So = so ; Se = se }
else { So = Se = "" }
line = sprintf( "%s%s%2s%s ", line, So, date, Se )
}
cal[mm SUBSEP l++] = sprintf( "%s ", line )
}
if ( l > ll ) ll = l
}
for (l=1;l<ll;l++) {
for (mm=1;mm<=3;mm++) {
if ( cal[mm SUBSEP l] != "" ) printf( cal[mm SUBSEP l] )
else printf( "%23s", "" )
if ( mm % 3 == 0 ) print ""
}
}
}
print ""
exit 0
}
END {
if ( ! HELP && ! ERR ) exit 0
if ( ERR ) {
for (i=1;i<ARGC;i++) { ARGS = ARGS sp ARGV[i] ; sp = " " }
if ( ERR == 1 ) msg = "Bad argument format or content:"
else if ( ERR == 2 ) msg = "Wrong argument count (" ARGC - 1 "):"
else if ( ERR == 3 ) msg = "Date before 01/01/0001 (" Get_Y1() "):"
else if ( ERR == 4 ) msg = "Bad month (" mm "):"
else if ( ERR == 5 ) msg = "Bad date (" dd "):"
else if ( ERR == 6 ) msg = "Impossible date:"
else if ( ERR == 7 ) msg = "The was no year 0000:"
else if ( ERR == 8 ) msg = "Non-unique month name (" ARG1 "):"
else if ( ERR == 9 ) msg = "Year greater than 9999:"
else msg = "Unknown error:"
HELP = 1 ; q = "\""
}
if ( HELP ) {
if ( FMT == 1 ) { fmt = "[m]m/[d]d[/yyyy]" ; range = "12/31/9999" }
else { fmt = "[d]d/[m]m[/yyyy]" ; range = "31/12/9999" }
if ( STDOUT == 0 ) n = " not " ; else n = " " ; sp = " "
u= "\n Usage: " PROG " [-x] [args]\n\n" sp
u=u "Prints a 3-month calendar centered on the target month.\n\n" sp
u=u "The default is" n "to highlight the target month (and date if\n" sp
u=u "appropriate); -x switches the default highlight behavior.\n" sp
u=u "With no arguments the target date defaults to today.\n\n" sp
u=u "Arguments may be a date in " fmt " format (where\n" sp
u=u "leading 0's are implied in all unfilled fields, defaulting\n" sp
u=u "to the current year if that field is omitted); a month and\n" sp
u=u "year (where month may be an integer or a month name, perhaps\n" sp
u=u "abbreviated, but sufficient to be unique); or the month name\n" sp
u=u "alone (which defaults to the current year); or a year alone\n" sp
u=u "(which prints a 12-month calendar for that year).\n\n" sp
u=u "A signed integer alone as an argument specifies the target\n" sp
u=u "date to be -n days before or +n days after the current date.\n\n" sp
u=u "Dates from 01/01/0001 to " range " are supported.\n"
usage = u
}
printf( "\n%s: %s %s%s%s\n", PROG, msg, q, ARGS, q ) >"/dev/tty"
print usage >"/dev/tty"
exit ERR
}
function Get_Now() {
# get the week, month, date & year numbers and the time-of-day
DATE | getline date
split(date,Date,"~")
split(Date[1],field)
daynum = field[1] + FMT1
m = field[2] ; This_Mon = Mon[2] = m + 0
d = field[3] ; This_Date = today = d + 0
y = This_Year = Year[1] = Year[2] = Year[3] = field[4]
j = julian = field[5] + 0
this_date = Date[2]
}
function Fmt_Date(fmt_date) {
# format dates as mm/dd/yyyy or dd/mm/yyyy
split(fmt_date,MorD_DorM_Y,IDFD)
if ( FMT == 1 ) { Dt_Fld1 = MorD_DorM_Y[1] ; Dt_Fld2 = MorD_DorM_Y[2] }
else { Dt_Fld1 = MorD_DorM_Y[2] ; Dt_Fld2 = MorD_DorM_Y[1] }
Dt_Fld3 = MorD_DorM_Y[3]
return sprintf( DATE_FMT, Dt_Fld1, ODFD, Dt_Fld2, ODFD, Dt_Fld3 )
}
function Kludge_1752() {
# kludge for September 1752 & the change to the Gregorian Calendar
Mdays[9] = 30
if ( Mon[2] == 9 ) {
Start[1] = Start[2] = 1 + FMT1 ; Start[3] = -1 + FMT1
}
else if ( Mon[2] == 8 ) {
Start[1] = 2 + FMT1 ; Start[2] = 5 + FMT1 ; Start[3] = 1 + FMT1
}
else if ( Mon[2] == 10 ) {
Start[1] = 1 + FMT1 ; Start[2] = -1 + FMT1 ; Start[3] = 3
}
}
function Get_Mnum() {
ARG1 = tolower(ARG1)
months = tolower(MONTHS)
split(months,month)
for (i=1;i<=12;i++) {
if ( index(month[i],ARG1) == 1 ) { ARG = i ; n++ }
}
if ( n == 1 ) ARG1 = ARG
else if ( n == 0 ) { ERR = 1 ; exit }
else { ERR = 8 ; exit }
}
function Get_Num(get_date,get_m,get_d,get_y,get_j) {
# get the number of days from one date to another date
NOW = get_y get_m get_d ; N = 0 ; M = get_m + 0 ; D = get_d + 0 ; Y = get_y + 0 ; J = get_j + 0
split(get_date,mdy,IDFD)
M2 = mdy[1] ; D2 = mdy[2] ; Y2 = mdy[3]
THEN = Y2 M2 D2 ; M2 = M2 + 0 ; D2 = D2 + 0 ; Y2 = Y2 + 0
Leap(Y2)
if ( M2 > 12 ) { ERR = 4 ; exit }
if ( D2 > Mdays[M2] && Y2 != 1752 && M2 != 9 ) { ERR = 5 ; exit }
if ( THEN ~ /^1752090[3-9]$|^1752091[0-3]$/ ) { ERR = 6 ; exit }
Leap(Y)
if ( THEN > NOW ) {
Ydays = Ydays - J + 1 ; mdays = Mdays[M] - D + 1
while ( Y < Y2 ) Next_Y()
while ( M < M2 ) Next_M()
while ( D < D2 ) Next_D()
N *= -1
}
else {
Ydays = J ; mdays = D
while ( Y > Y2 ) Prev_Y()
while ( M > M2 ) Prev_M()
if ( Y == 1752 && M == 9 && D == 19 ) D = 30
while ( D > D2 ) Prev_D()
}
return N
}
function Get_Date(get_n,get_m,get_d,get_y,get_j) {
# get the date a number of days before or after a date
N = get_n + 0 ; M = get_m + 0 ; D = get_d + 0 ; Y = get_y + 0 ; J = get_j + 0
if ( N != 0 ) {
Leap(Y)
if ( N > 0 ) {
Ydays = Ydays - J + 1 ; mdays = Mdays[M] - D + 1
while ( N >= Ydays ) { Next_Y() ; Leap(Y) }
while ( N >= ( ( mdays > 0 ) ? mdays : Mdays[M] ) ) { Next_M() }
while ( N > 0 ) Next_D()
}
else {
Ydays = J ; mdays = D ; N *= -1
while ( N >= Ydays ) { Prev_Y() ; Leap(Y) }
while ( N >= ( ( mdays > 0 ) ? mdays : Mdays[M] ) ) { Prev_M() }
if ( Y == 1752 && M == 9 && D == 19 ) D = 30
while ( N > 0 ) Prev_D()
}
if ( Y < 1 ) { ERR = 3 ; exit }
}
return M ODFD D ODFD Y
}
function Leap(YR) {
# adjust for Leap Years
if ( YR % 4 == 0 && ( YR % 100 != 0 || YR % 400 == 0 || YR < 1800 ) ) {
Ydays = 366 ; Mdays[2] = 29 }
else { Ydays = 365 ; Mdays[2] = 28 }
if ( YR != 1752 ) Mdays[9] = 30
else { Ydays = 355 ; Mdays[9] = 19 }
}
function Chk_Date(chk_date) {
# check validity of input dates
split(chk_date,mdy,IDFD)
mm = mdy[1] + 0 ; dd = mdy[2] + 0 ; yy = mdy[3] + 0
if ( mm == 2 ) Leap(yy)
if ( yy < 1 ) { ERR = 3 ; exit }
if ( mm < 1 || mm > 12 ) { ERR = 4 ; exit }
if ( dd < 1 || dd > Mdays[mm] ) { ERR = 5 ; exit }
}
# day counting functions for next or previous year, month and day
function Next_Y() {
N -= Ydays ; Y += 1 ; M = 1 ; D = 1 ; mdays = 0 ; Leap(Y)
}
function Next_M() {
if ( mdays != 0 ) N -= mdays ; else N -= Mdays[M]
M += 1 ; D = 1 ; mdays = 0
}
function Next_D() {
N -= 1 ; D += 1
if ( D > Mdays[M] ) { M += 1 ; D = 1 }
else if ( Y == 1752 && M == 9 && D == 2 ) D = 13
}
function Prev_Y() {
N -= Ydays ; Y -= 1 ; M = 12 ; D = 31 ; mdays = 0 ; Leap(Y)
}
function Prev_M() {
if ( mdays != 0 ) N -= mdays ; else N -= Mdays[M]
M -= 1 ; D = Mdays[M] ; mdays = 0
}
function Prev_D() {
N -= 1 ; D -= 1 ; if ( Y == 1752 && M == 9 && D == 13 ) D = 2
}
function Get_J(get_m,get_d,get_y) {
# get the Julian date for an input date
get_m = get_m + 0 ; get_d = get_d + 0 ; get_y = get_y + 0
Leap(get_y)
j = get_d
for (i=1;i<get_m;i++) j = j + Mdays[i]
return j
}
function Get_Y1() {
# get the number of days to day 1 for the help screen
if ( ! m ) {
if ( mm ) { m = mm ; d = dd ; y = yy }
else if ( M ) { m = M ; d = D ; y = Y }
}
if ( ! j ) Get_J()
return Get_Num("01/01/0001",m,d,y,j)
}
+77
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#!/bin/sh
# $MawkId: hical,v 1.4 2009/08/21 00:36:34 tom Exp $
# @(#) hical - displays previous, current & next months - today highlighted
# @(#) an "internationalizationable" version of a 3-month 'cal' display, it
# @(#) may be edited for week to start with Sun or Mon & for local language
prog=${TMPDIR-/tmp}/hical.$$ ; trap 'rm -f $prog ; trap 0 ; exit' 0 1 2 3 15
: ${so:=`tput smso`} ${se:=`tput rmso`}
# USER EDITS MAY BE REQUIRED for the arguments to the 'date' command
# the script presumes 'date' recognizes these arguments in these ways:
# w - Day of the week - Sunday = 0
# m - Month of year - 01 to 12
# d - Day of month - 01 to 31
# T - Time as HH:MM:SS
# Y - Year (including century), as decimal numbers
DATE_ARGS='%w %m %d %T %Y'
# the 'awk' program file is written to a temporary file to avoid any
# "arg list too long" error messages, yet have all the code in one file.
cat >$prog <<'EOF'
{
# USER EDITS MAY BE REQUIRED (for FMT, day & month names, and the time stuff)
# FMT = 0 # for weekdays ordered "Mo Tu We Th Fr Sa Su"
FMT = 1 # for weekdays ordered "Su Mo Tu We Th Fr Sa"
Header[0] = "Mo Tu We Th Fr Sa Su"
Header[1] = "Su Mo Tu We Th Fr Sa"
months = "Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec"
time_is = "The time is:" ; time_fmt = "%s %s %s %s\n"
# NO MORE USER EDITS REQUIRED (I think!)
split(months,M_Name) ; split("31 28 31 30 31 30 31 31 30 31 30 31",M_Len)
daynum = $1 + FMT
Mon[2] = $2 + 0
today = $3 + 0
time = $4
Year[1] = Year[2] = Year[3] = $NF
if ( Mon[2] == 1 ) { Year[1] = Year[1] - 1 ; Mon[1] = 12 }
else { Mon[1] = Mon[2] - 1 }
if ( Mon[2] == 12 ) { Year[3] = Year[3] + 1 ; Mon[3] = 1 }
else { Mon[3] = Mon[2] + 1 }
if ( Year[2] % 4 == 0 &&
Year[2] % 100 != 0 ||
Year[2] % 400 == 0 ) M_Len[2] = 29
Start[2] = 7 - ( ( today - daynum ) % 7 )
Start[1] = 7 - ( ( M_Len[Mon[1]] - Start[2] ) % 7 )
Start[3] = ( M_Len[Mon[2]] + Start[2] ) % 7
for (i=1;i<=3;i++) { while ( Start[i] >= 7 ) Start[i] -= 7 }
for (mm=1;mm<=3;mm++) {
if ( Year[mm] != Year[mm-1] )
printf( "%s %s %s\n", so, Year[mm], se )
if ( mm == 1 ) printf( "%s %s %s\n", so, Header[FMT], se )
j = k = 1
while ( j <= M_Len[Mon[mm]] ) {
line = ""
for (i=1;i<=7;i++) {
if ( Start[mm] > 0 || j > M_Len[Mon[mm]] ) { date = "" ; Start[mm]-- }
else date = j++
if ( mm == 2 && date == today ) { So = so ; Se = se }
else { So = Se = "" }
line = sprintf( "%s%s%2s%s ", line, So, date, Se )
}
m1 = substr(M_Name[Mon[mm]],k++,1)
printf( "%s %1s %s %s%s %s\n", so, m1, se, line, so, se )
}
}
printf( time_fmt, so, time_is, time, se )
}
EOF
date +"$DATE_ARGS" | ${AWK:=mawk} -f $prog so=$so se=$se
exit 0
# EOF 'hical' - Tue Dec 19 19:19:19 EST 1994
# Bob Stockler - bob@trebor.iglou.com - CIS: 72726,452
@@ -0,0 +1,32 @@
#!/usr/bin/mawk -f
# $MawkId: nocomment.awk,v 1.3 2020/09/19 13:02:14 tom Exp $
# remove C comments from a list of files
# using a comment as the record separator
#
# this is trickier than I first thought
# The first version in .97-.9993 was wrong
BEGIN {
# RS is set to a comment (this is mildly tricky, I blew it here
RS = "/[*]([^*]|[*]+[^*/])*[*]+/"
ORS = " "
getline hold
filename = FILENAME
}
# if changing files
filename != FILENAME {
filename = FILENAME
printf "%s" , hold
hold = $0
next
}
{ # hold one record because we don't want ORS on the last
# record in each file
print hold
hold = $0
}
END { printf "%s", hold }
+63
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@@ -0,0 +1,63 @@
#!/usr/bin/mawk -f
# primes.awk
#
# mawk -f primes.awk [START] STOP
# find all primes between 2 and STOP
# or START and STOP
#
function usage()
{ ustr = sprintf("usage: %s [start] stop", ARGV[0])
system( "echo " ustr)
exit 1
}
BEGIN { if (ARGC == 1 || ARGC > 3 ) usage()
if ( ARGC == 2 ) { start = 2 ; stop = ARGV[1]+0 }
else
if ( ARGC == 3 ) { start = ARGV[1]+0 ; stop = ARGV[2]+0 }
if ( start < 2 ) start = 2
if ( stop < start ) stop = start
prime[ p_cnt = 1 ] = 3 # keep primes in prime[]
# keep track of integer part of square root by adding
# odd integers
odd = test = 5
root = 2
squares = 9
while ( test <= stop )
{
if ( test >= squares )
{ root++
odd += 2
squares += odd
}
flag = 1
for ( i = 1 ; prime[i] <= root ; i++ )
if ( test % prime[i] == 0 ) # not prime
{ flag = 0 ; break }
if ( flag ) prime[ ++p_cnt ] = test
test += 2
}
prime[0] = 2
for( i = 0 ; prime[i] < start ; i++) ;
for ( ; i <= p_cnt ; i++ ) print prime[i]
}
+69
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#!/usr/bin/mawk -f
# $MawkId: qsort.awk,v 1.4 2020/09/19 14:20:45 tom Exp $
# qsort text files
function middle(x,y,z) #return middle of 3
{
if ( x <= y )
{ if ( z >= y ) return y
if ( z < x ) return x
return z
}
if ( z >= x ) return x
if ( z < y ) return y
return z
}
function isort(A , n, i, j, hold)
{
# if needed a sentinel at A[0] will be created
for( i = 2 ; i <= n ; i++)
{
hold = A[ j = i ]
while ( A[j-1] > hold )
{ j-- ; A[j+1] = A[j] }
A[j] = hold
}
}
# recursive quicksort
function qsort(A, left, right ,i , j, pivot, hold)
{
pivot = middle(A[left], A[int((left+right)/2)], A[right])
i = left
j = right
while ( i <= j )
{
while ( A[i] < pivot ) i++
while ( A[j] > pivot ) j--
if ( i <= j )
{ hold = A[i]
A[i++] = A[j]
A[j--] = hold
}
}
if ( j - left > BLOCK ) qsort(A,left,j)
if ( right - i > BLOCK ) qsort(A,i,right)
}
BEGIN { BLOCK = 5 }
{ line[NR] = $0 "" # sort as string
}
END {
if ( NR > BLOCK ) qsort(line, 1, NR)
isort(line, NR)
for(ie = 1 ; ie <= NR ; ie++) print line[ie]
}