42 lines
574 B
Bash
Executable file
42 lines
574 B
Bash
Executable file
#!/usr/bin/env bash
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awk -v n_spaces="$1" '
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BEGIN {
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tab = " "
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space = " "
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if (n_spaces < 1) {
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n_spaces = 4
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}
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spaces_per_tab = ""
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for (i = 1; i <= n_spaces; i += 1) {
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spaces_per_tab = spaces_per_tab space
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}
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}
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function spaces_for_n_tabs(n) {
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spaces = ""
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while (n--) {
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spaces = spaces spaces_per_tab
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}
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return spaces
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}
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function tabs_to_spaces(line) {
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n_tabs = 0
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for (i = 1; i <= length(line); i += 1) {
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if (substr(line, i, 1) != tab) {
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break
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}
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n_tabs += 1
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}
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return spaces_for_n_tabs(n_tabs) substr(line, i)
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}
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{
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print tabs_to_spaces($0)
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}
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'
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