38 lines
709 B
Bash
38 lines
709 B
Bash
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#!/usr/bin/env bash
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H=$(head -1 bashrc.head)
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T=$(head -1 bashrc.tail)
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BASHRC_FILENAME="${HOME}/.bashrc"
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HEAD_EXISTS="0"
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TAIL_EXISTS="0"
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grep --fixed-strings "${H}" "${BASHRC_FILENAME}"
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if [ "$?" -eq "0" ]
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then
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HEAD_EXISTS="1"
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fi
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grep --fixed-strings "${T}" "${BASHRC_FILENAME}"
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if [ "$?" -eq "0" ]
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then
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TAIL_EXISTS="1"
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fi
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if [ "${HEAD_EXISTS}" -eq "0" ]
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then
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cat bashrc.head "${BASHRC_FILENAME}" > "${BASHRC_FILENAME}.in"
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cat "${BASHRC_FILENAME}.in" > "${BASHRC_FILENAME}"
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rm -vf "${BASHRC_FILENAME}.in"
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fi
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if [ "${TAIL_EXISTS}" -eq "0" ]
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then
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cat "${BASHRC_FILENAME}" bashrc.tail > "${BASHRC_FILENAME}.in"
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cat "${BASHRC_FILENAME}.in" > "${BASHRC_FILENAME}"
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rm -vf "${BASHRC_FILENAME}.in"
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fi
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