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#!/usr/bin/env bash
# Copyright (c) 2016 Egor Tensin <Egor.Tensin@gmail.com>
# This file is part of the "Cygwin configuration files" project.
# For details, see https://github.com/egor-tensin/cygwin-home.
# Distributed under the MIT License.
alias dos2eol='sed --binary --in-place -- '"'"'s/\(\r\?\)$//'"'"
alias eol2dos='sed --binary --in-place -- '"'"'s/\r\?$/\r/'"'"
alias trim='sed --binary --in-place -- '"'"'s/[[:blank:]]*\(\r\?\)$/\1/'"'"
alias trimeol='sed --binary --in-place -e :a -e '"'"'/^\n*$/{$d;N;ba}'"'"' --'
alias trimdoseol='sed --binary --in-place -e :a -e '"'"'/^\(\r\n\)*\r$/{$d;N;ba}'"'"' --'
alias eol='sed --binary --in-place -- '"'"'$a\'"'"
alias doseol='sed --binary --in-place -- '"'"'$s/\r\?$/\r/;a\'"'"
alias trimbom='sed --binary --in-place -- '"'"'1 s/^\xef\xbb\xbf//'"'"
lint() {
trim "$@" && trimeol "$@" && eol "$@"
}
doslint() {
trim "$@" && trimdoseol "$@" && doseol "$@"
}
str_replace() (
set -o errexit -o nounset -o pipefail
if [ "$#" -lt 3 ]; then
echo "usage: ${FUNCNAME[0]} OLD NEW PATH..." >&2
return 1
fi
local old="$1"
shift
local new="$1"
shift
sed --binary --in-place -- "s/$old/$new/g" "$@"
)
str_replace_word() (
set -o errexit -o nounset -o pipefail
if [ "$#" -lt 3 ]; then
echo "usage: ${FUNCNAME[0]} OLD NEW PATH..." >&2
return 1
fi
local old="$1"
shift
local new="$1"
shift
sed --binary --in-place -- "s/\\b$old\\b/$new/g" "$@"
)
str_tolower() (
set -o errexit -o nounset -o pipefail
local s
for s; do
echo "${s,,}" # | tr '[:upper:]' '[:lower:]'
done
)
str_toupper() (
set -o errexit -o nounset -o pipefail
local s
for s; do
echo "${s^^}" # | tr '[:lower:]' '[:upper:]'
done
)
str_contains() (
set -o errexit -o nounset -o pipefail
if [ "$#" -ne 2 ]; then
echo "usage: ${FUNCNAME[0]} STR SUB" >&2
return 1
fi
local str="$1"
local sub="$2"
[ -z "$sub" ] && return 0
sub="$( printf -- '%q' "$2" )"
test "$str" != "${str#*$sub}"
)
str_starts_with() (
set -o errexit -o nounset -o pipefail
if [ "$#" -ne 2 ]; then
echo "usage: ${FUNCNAME[0]} STR SUB" >&2
return 1
fi
local str="$1"
local sub="$2"
[ -z "$sub" ] && return 0
sub="$( printf -- '%q' "$sub" )"
test "$str" != "${str#$sub}"
)
str_ends_with() (
set -o errexit -o nounset -o pipefail
if [ "$#" -ne 2 ]; then
echo "usage: ${FUNCNAME[0]} STR SUB" >&2
return 1
fi
local str="$1"
local sub="$2"
[ -z "$sub" ] && return 0
sub="$( printf -- '%q' "$sub" )"
test "$str" != "${str%$sub}"
)
str_split() (
set -o errexit -o nounset -o pipefail
local fmt='%s\n'
local -a args
while [ "$#" -ne 0 ]; do
local key="$1"
shift
case "$key" in
-h|--help)
echo "usage: ${FUNCNAME[0]} [-h|--help] [-0|-z|--zero] [--] STR DELIM"
return 0
;;
-0|-z|--zero)
fmt='%s\0'
;;
--)
break
;;
-*)
echo "${FUNCNAME[0]}: unrecognized parameter: $key" >&2
return 1
;;
*)
args+=("$key")
;;
esac
done
args+=("$@")
if [ "${#args[@]}" -ne 2 ]; then
echo "usage: ${FUNCNAME[0]} [-h|--help] [-0|-z|--zero] [--] STR DELIM" >&2
return 1
fi
local str="${args[0]}"
local old_delim="${args[1]}"
local -a xs
local x
IFS="$old_delim" read -a xs -r <<< "$str"
for x in ${xs[@]+"${xs[@]}"}; do
printf -- "$fmt" "$x"
done
)
str_join() (
set -o errexit -o nounset -o pipefail
if [ "$#" -lt 1 ]; then
echo "usage: ${FUNCNAME[0]} DELIM [STR]..." >&2
return 1
fi
local delim="$1"
shift
case "$#" in
0)
;;
1)
echo "$@"
;;
*)
local s="$1"
shift
printf -- '%s' "$s"
for s; do
printf -- '%s%s' "$delim" "$s"
done
;;
esac
)
str_invert_match() (
set -o errexit -o nounset -o pipefail
local -a pattern_list=()
local pattern
for pattern; do
pattern_list+=('-e' "$pattern")
done
if [ "${#pattern_list[@]}" -eq 0 ]; then
cat
else
grep --fixed-strings --invert-match \
${pattern_list[@]+"${pattern_list[@]}"}
fi
)
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