Socat command syntax

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Here is some socat command example I find:



$ printf "md.b 0x0800000 0x100000rr" | 
socat - /dev/ttyUSB0,raw,echo=0,crnl >u-boot.ascii 2>&1


It's not clear what is purpose of backslash "" after vertical bar: does it just artifact (separator) applied by mail client or it has some meaning? The command need be in one line probably?




linux shell socat




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    up vote
    0
    down vote

    favorite












    Here is some socat command example I find:



    $ printf "md.b 0x0800000 0x100000rr" | 
    socat - /dev/ttyUSB0,raw,echo=0,crnl >u-boot.ascii 2>&1


    It's not clear what is purpose of backslash "" after vertical bar: does it just artifact (separator) applied by mail client or it has some meaning? The command need be in one line probably?




    linux shell socat




    share|improve this question






















      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      Here is some socat command example I find:



      $ printf "md.b 0x0800000 0x100000rr" | 
      socat - /dev/ttyUSB0,raw,echo=0,crnl >u-boot.ascii 2>&1


      It's not clear what is purpose of backslash "" after vertical bar: does it just artifact (separator) applied by mail client or it has some meaning? The command need be in one line probably?




      linux shell socat




      share|improve this question












      Here is some socat command example I find:



      $ printf "md.b 0x0800000 0x100000rr" | 
      socat - /dev/ttyUSB0,raw,echo=0,crnl >u-boot.ascii 2>&1


      It's not clear what is purpose of backslash "" after vertical bar: does it just artifact (separator) applied by mail client or it has some meaning? The command need be in one line probably?





      linux shell socat





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      asked Jan 4 at 13:18









      minto

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          That's a way to split a line into more lines. The literal meaning of the backslash is escaping the end of line symbol. The effect is that the line is not ending where it does, but it continues on the next line. As can be guessed, the end of line symbol has to follow the immediately. If there's a space after the backslash, it won't work.






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            That's a way to split a line into more lines. The literal meaning of the backslash is escaping the end of line symbol. The effect is that the line is not ending where it does, but it continues on the next line. As can be guessed, the end of line symbol has to follow the immediately. If there's a space after the backslash, it won't work.






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              up vote
              2
              down vote













              That's a way to split a line into more lines. The literal meaning of the backslash is escaping the end of line symbol. The effect is that the line is not ending where it does, but it continues on the next line. As can be guessed, the end of line symbol has to follow the immediately. If there's a space after the backslash, it won't work.






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                up vote
                2
                down vote










                up vote
                2
                down vote









                That's a way to split a line into more lines. The literal meaning of the backslash is escaping the end of line symbol. The effect is that the line is not ending where it does, but it continues on the next line. As can be guessed, the end of line symbol has to follow the immediately. If there's a space after the backslash, it won't work.






                share|improve this answer












                That's a way to split a line into more lines. The literal meaning of the backslash is escaping the end of line symbol. The effect is that the line is not ending where it does, but it continues on the next line. As can be guessed, the end of line symbol has to follow the immediately. If there's a space after the backslash, it won't work.







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                answered Jan 4 at 13:46









                Tomasz

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