2021-07-29 05:44:12 -07:00
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#!/usr/bin/env sh
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2024-03-26 15:08:14 -07:00
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# YES_ZSH YES_BASH YES_DASH YES_ASH
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2021-09-23 06:48:05 -07:00
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# does not work with busybox sed (yet?)
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2021-07-29 00:37:35 -07:00
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2021-07-30 17:57:08 -07:00
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scramble() { ### @-
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### scrambles text in a predictable way using regex.
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###
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### sacbremls ttex in a pdrceailtbe way unsig reegx.
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2021-08-02 06:06:13 -07:00
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###
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### **TODO:** consider renaming because scramble(1) already exists.
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2021-07-29 05:44:12 -07:00
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[ $# -eq 0 ] || { printf "%s\n" "$0: does not take arguments" >&2; return 1; }
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2013-10-21 01:05:07 -07:00
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local eggs='s/@\(\w\)\(\w\)\(\w\)/@\3\1@\2/g'
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sed \
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-e 's/\b\w/&@/g' \
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-e "$eggs" -e "$eggs" -e "$eggs" -e "$eggs" \
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2014-09-07 20:55:42 -07:00
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-e "$eggs" -e "$eggs" -e "$eggs" -e "$eggs" \
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2013-10-21 01:05:07 -07:00
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-e 's/@//g'
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}
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2021-07-29 00:37:35 -07:00
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2021-08-02 13:48:46 -07:00
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[ -n "${preload+-}" ] || scramble "$@"
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