diff options
author | Arnold D. Robbins <arnold@skeeve.com> | 2021-10-09 22:18:38 +0300 |
---|---|---|
committer | Arnold D. Robbins <arnold@skeeve.com> | 2021-10-09 22:18:38 +0300 |
commit | 3c374e502995634d4dae8967aa8393a74b748f83 (patch) | |
tree | 960d2df61f57fd1dca67e80193420bdef1bbfc4a /helpers/find-utf.sh | |
parent | b09f86a66cc6cae015a1343c189c84031007de1c (diff) | |
parent | 6db264b1f346896f18fa705023594e5d4d789f04 (diff) | |
download | egawk-3c374e502995634d4dae8967aa8393a74b748f83.tar.gz egawk-3c374e502995634d4dae8967aa8393a74b748f83.tar.bz2 egawk-3c374e502995634d4dae8967aa8393a74b748f83.zip |
Merge branch 'gawk-5.1-stable'
Diffstat (limited to 'helpers/find-utf.sh')
-rwxr-xr-x | helpers/find-utf.sh | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/helpers/find-utf.sh b/helpers/find-utf.sh new file mode 100755 index 00000000..b608a6fa --- /dev/null +++ b/helpers/find-utf.sh @@ -0,0 +1,53 @@ +#! /bin/sh +export LC_ALL=C +gawk ' +# ord.awk --- do ord and chr + +# Global identifiers: +# _ord_: numerical values indexed by characters +# _ord_init: function to initialize _ord_ +# +# Arnold Robbins, arnold@skeeve.com, Public Domain +# 16 January, 1992 +# 20 July, 1992, revised + +BEGIN { _ord_init() } + +function _ord_init( low, high, i, t) +{ + low = sprintf("%c", 7) # BEL is ascii 7 + if (low == "\a") { # regular ascii + low = 0 + high = 255 + } else if (sprintf("%c", 128 + 7) == "\a") { + # ascii, mark parity + low = 128 + high = 255 + } else { # ebcdic(!) + low = 0 + high = 255 + } + + for (i = low; i <= high; i++) { + t = sprintf("%c", i) + _ord_[t] = i + } +} +function ord(str, c) +{ + # only first character is of interest + c = substr(str, 1, 1) + return _ord_[c] +} + +function chr(c) +{ + # force c to be numeric by adding 0 + return sprintf("%c", c + 0) +} +{ + n = split($0, c, "") + for (i = 1; i <= n; i++) + if (ord(c[i]) > 127) + printf("%d: char: \\%o\n", NR, ord(c[i])) +}' "$@" |