mirror of
https://github.com/notwa/rc
synced 2024-06-01 15:33:07 -07:00
27 lines
581 B
Bash
27 lines
581 B
Bash
#!/usr/bin/env sh
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# backup, timestamped
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# YES_ZSH
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# YES_BASH
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# YES_DASH
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: $((SOURCING+=1))
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#. ~/sh/note # FIXME: don't do this?
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: $((SOURCING-=1))
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baks() { ### @-
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local ret=0
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for fp; do
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local now="$(date -u '+%y-%m-%d_%H-%M-%S')"
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local bak="$fp.$now.bak"
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if [ -s "$bak" ]; then
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#note "how in the hell?" "$bak" "already exists"
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printf "%s %s %s\n" "how in the hell?" "$bak" "already exists"
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ret=1
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fi
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cp -p "$fp" "$bak" || ret=1
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done
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return $ret
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}
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[ "${SOURCING:-0}" -gt 0 ] || baks "$@"
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